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build: upgrade to go 1.19 (#25726)

Browse Source 
This changes the CI / release builds to use the latest Go version. It also
upgrades golangci-lint to a newer version compatible with Go 1.19.

In Go 1.19, godoc has gained official support for links and lists. The
syntax for code blocks in doc comments has changed and now requires a
leading tab character. gofmt adapts comments to the new syntax
automatically, so there are a lot of comment re-formatting changes in this
PR. We need to apply the new format in order to pass the CI lint stage with
Go 1.19.

With the linter upgrade, I have decided to disable 'gosec' - it produces
too many false-positive warnings. The 'deadcode' and 'varcheck' linters
have also been removed because golangci-lint warns about them being
unmaintained. 'unused' provides similar coverage and we already have it
enabled, so we don't lose much with this change.
pull/25733/head
Felix Lange 2 years ago committed by GitHub
parent 389021a5af
commit b628d72766
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GPG Key ID: 4AEE18F83AFDEB23
107 changed files with 998 additions and 974 deletions
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  1. 17
      .golangci.yml
  2. 20
      .travis.yml
  3. 34
      accounts/abi/abi_test.go
  4. 91
      accounts/abi/bind/backends/simulated_test.go
  5. 35
      accounts/abi/reflect.go
  6. 15
      accounts/abi/utils.go
  7. 6
      accounts/accounts.go
  8. 2
      accounts/hd.go
  9. 3
      accounts/scwallet/wallet.go
  10. 7
      accounts/url.go
  11. 162
      accounts/usbwallet/ledger.go
  12. 18
      accounts/usbwallet/trezor.go
  13. 26
      accounts/usbwallet/trezor/messages-common.pb.go
  14. 20
      accounts/usbwallet/trezor/messages-ethereum.pb.go
  15. 48
      accounts/usbwallet/trezor/messages-management.pb.go
  16. 2
      accounts/usbwallet/trezor/messages.pb.go
  17. 70
      build/checksums.txt
  18. 25
      build/ci.go
  19. 5
      cmd/evm/internal/t8ntool/transition.go
  20. 21
      cmd/p2psim/main.go
  21. 2
      common/hexutil/hexutil.go
  22. 8
      common/math/big.go
  23. 7
      common/prque/lazyqueue.go
  24. 7
      consensus/beacon/consensus.go
  25. 9
      consensus/ethash/api.go
  26. 9
      consensus/ethash/sealer.go
  27. 9
      consensus/misc/dao.go
  28. 8
      core/beacon/types.go
  29. 57
      core/blockchain_test.go
  30. 8
      core/genesis.go
  31. 8
      core/mkalloc.go
  32. 14
      core/rawdb/freezer.go
  33. 6
      core/state/pruner/pruner.go
  34. 2
      core/state/snapshot/generate_test.go
  35. 8
      core/state/snapshot/snapshot.go
  36. 4
      core/state/statedb.go
  37. 48
      core/state_transition.go
  38. 8
      core/vm/contracts.go
  39. 53
      core/vm/gas_table.go
  40. 32
      core/vm/instructions.go
  41. 2
      crypto/crypto.go
  42. 1
      crypto/secp256k1/curve.go
  43. 1
      crypto/secp256k1/libsecp256k1/contrib/dummy.go
  44. 1
      crypto/secp256k1/libsecp256k1/dummy.go
  45. 1
      crypto/secp256k1/libsecp256k1/include/dummy.go
  46. 1
      crypto/secp256k1/libsecp256k1/src/dummy.go
  47. 1
      crypto/secp256k1/libsecp256k1/src/modules/dummy.go
  48. 1
      crypto/secp256k1/libsecp256k1/src/modules/ecdh/dummy.go
  49. 1
      crypto/secp256k1/libsecp256k1/src/modules/recovery/dummy.go
  50. 22
      eth/catalyst/api.go
  51. 12
      eth/catalyst/api_test.go
  52. 8
      eth/downloader/downloader.go
  53. 7
      eth/downloader/queue.go
  54. 9
      eth/downloader/resultstore.go
  55. 9
      eth/gasprice/feehistory.go
  56. 4
      eth/protocols/snap/sync_test.go
  57. 20
      eth/state_accessor.go
  58. 17
      eth/tracers/native/4byte.go
  59. 32
      eth/tracers/native/tracer.go
  60. 15
      ethdb/leveldb/leveldb.go
  61. 18
      ethstats/ethstats.go
  62. 2
      internal/cmdtest/test_cmd.go
  63. 8
      internal/ethapi/api.go
  64. 4
      internal/flags/helpers.go
  65. 16
      les/api.go
  66. 22
      les/catalyst/api.go
  67. 40
      les/downloader/downloader.go
  68. 7
      les/downloader/queue.go
  69. 9
      les/downloader/resultstore.go
  70. 22
      les/fetcher.go
  71. 17
      light/txpool.go
  72. 218
      log/doc.go
  73. 6
      log/format.go
  74. 38
      log/handler.go
  75. 12
      log/handler_glog.go
  76. 8
      metrics/influxdb/influxdbv2.go
  77. 1
      mobile/big.go
  78. 6
      mobile/discover.go
  79. 2
      mobile/doc.go
  80. 64
      node/doc.go
  81. 4
      node/node_example_test.go
  82. 11
      p2p/dial.go
  83. 3
      p2p/discover/v5wire/encoding_test.go
  84. 42
      p2p/dnsdisc/tree.go
  85. 6
      p2p/enode/urlv4.go
  86. 2
      p2p/enr/enr.go
  87. 5
      p2p/message.go
  88. 12
      p2p/nat/nat.go
  89. 7
      p2p/simulations/adapters/types.go
  90. 22
      p2p/simulations/mocker.go
  91. 3
      params/denomination.go
  92. 2
      rlp/decode.go
  93. 45
      rlp/doc.go
  94. 57
      rpc/doc.go
  95. 14
      rpc/handler.go
  96. 2
      signer/core/api_test.go
  97. 2
      signer/core/apitypes/types.go
  98. 17
      tests/block_test_util.go
  99. 14
      tests/fuzzers/bls12381/precompile_fuzzer.go
  100. 12
      tests/fuzzers/difficulty/difficulty-fuzz.go
  101. Some files were not shown because too many files have changed in this diff Show More

17
.golangci.yml
Unescape View File

@ -12,7 +12,6 @@ run:
linters:
disable-all: true
enable:
- deadcode
- goconst
- goimports
- gosimple
@ -20,14 +19,12 @@ linters:
- ineffassign
- misspell
- unconvert
- varcheck
- typecheck
- unused
- staticcheck
- bidichk
- durationcheck
- exportloopref
- gosec
- whitespace
# - structcheck # lots of false positives
@ -45,11 +42,6 @@ linters-settings:
goconst:
min-len: 3 # minimum length of string constant
min-occurrences: 6 # minimum number of occurrences
gosec:
excludes:
- G404 # Use of weak random number generator - lots of FP
- G107 # Potential http request -- those are intentional
- G306 # G306: Expect WriteFile permissions to be 0600 or less
issues:
exclude-rules:
@ -58,16 +50,15 @@ issues:
- deadcode
- staticcheck
- path: internal/build/pgp.go
text: 'SA1019: package golang.org/x/crypto/openpgp is deprecated'
text: 'SA1019: "golang.org/x/crypto/openpgp" is deprecated: this package is unmaintained except for security fixes.'
- path: core/vm/contracts.go
text: 'SA1019: package golang.org/x/crypto/ripemd160 is deprecated'
text: 'SA1019: "golang.org/x/crypto/ripemd160" is deprecated: RIPEMD-160 is a legacy hash and should not be used for new applications.'
- path: accounts/usbwallet/trezor.go
text: 'SA1019: package github.com/golang/protobuf/proto is deprecated'
text: 'SA1019: "github.com/golang/protobuf/proto" is deprecated: Use the "google.golang.org/protobuf/proto" package instead.'
- path: accounts/usbwallet/trezor/
text: 'SA1019: package github.com/golang/protobuf/proto is deprecated'
text: 'SA1019: "github.com/golang/protobuf/proto" is deprecated: Use the "google.golang.org/protobuf/proto" package instead.'
exclude:
- 'SA1019: event.TypeMux is deprecated: use Feed'
- 'SA1019: strings.Title is deprecated'
- 'SA1019: strings.Title has been deprecated since Go 1.18 and an alternative has been available since Go 1.0: The rule Title uses for word boundaries does not handle Unicode punctuation properly. Use golang.org/x/text/cases instead.'
- 'SA1029: should not use built-in type string as key for value'
- 'G306: Expect WriteFile permissions to be 0600 or less'

20
.travis.yml
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@ -16,7 +16,7 @@ jobs:
- stage: lint
os: linux
dist: bionic
go: 1.18.x
go: 1.19.x
env:
- lint
git:
@ -31,7 +31,7 @@ jobs:
os: linux
arch: amd64
dist: bionic
go: 1.18.x
go: 1.19.x
env:
- docker
services:
@ -48,7 +48,7 @@ jobs:
os: linux
arch: arm64
dist: bionic
go: 1.18.x
go: 1.19.x
env:
- docker
services:
@ -65,7 +65,7 @@ jobs:
if: type = push
os: linux
dist: bionic
go: 1.18.x
go: 1.19.x
env:
- ubuntu-ppa
- GO111MODULE=on
@ -90,7 +90,7 @@ jobs:
os: linux
dist: bionic
sudo: required
go: 1.18.x
go: 1.19.x
env:
- azure-linux
- GO111MODULE=on
@ -162,7 +162,7 @@ jobs:
- stage: build
if: type = push
os: osx
go: 1.18.x
go: 1.19.x
env:
- azure-osx
- azure-ios
@ -194,7 +194,7 @@ jobs:
os: linux
arch: amd64
dist: bionic
go: 1.18.x
go: 1.19.x
env:
- GO111MODULE=on
script:
@ -214,7 +214,7 @@ jobs:
- stage: build
os: linux
dist: bionic
go: 1.17.x
go: 1.18.x
env:
- GO111MODULE=on
script:
@ -225,7 +225,7 @@ jobs:
if: type = cron
os: linux
dist: bionic
go: 1.18.x
go: 1.19.x
env:
- azure-purge
- GO111MODULE=on
@ -239,7 +239,7 @@ jobs:
if: type = cron
os: linux
dist: bionic
go: 1.18.x
go: 1.19.x
env:
- GO111MODULE=on
script:

34
accounts/abi/abi_test.go
Unescape View File

@ -165,8 +165,9 @@ func TestInvalidABI(t *testing.T) {
// TestConstructor tests a constructor function.
// The test is based on the following contract:
// contract TestConstructor {
// constructor(uint256 a, uint256 b) public{}
//
// contract TestConstructor {
// constructor(uint256 a, uint256 b) public{}
// }
func TestConstructor(t *testing.T) {
json := `[{ "inputs": [{"internalType": "uint256","name": "a","type": "uint256" },{ "internalType": "uint256","name": "b","type": "uint256"}],"stateMutability": "nonpayable","type": "constructor"}]`
@ -724,16 +725,19 @@ func TestBareEvents(t *testing.T) {
}
// TestUnpackEvent is based on this contract:
// contract T {
// event received(address sender, uint amount, bytes memo);
// event receivedAddr(address sender);
// function receive(bytes memo) external payable {
// received(msg.sender, msg.value, memo);
// receivedAddr(msg.sender);
// }
// }
//
// contract T {
// event received(address sender, uint amount, bytes memo);
// event receivedAddr(address sender);
// function receive(bytes memo) external payable {
// received(msg.sender, msg.value, memo);
// receivedAddr(msg.sender);
// }
// }
//
// When receive("X") is called with sender 0x00... and value 1, it produces this tx receipt:
// receipt{status=1 cgas=23949 bloom=00000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000040200000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 logs=[log: b6818c8064f645cd82d99b59a1a267d6d61117ef [75fd880d39c1daf53b6547ab6cb59451fc6452d27caa90e5b6649dd8293b9eed] 000000000000000000000000376c47978271565f56deb45495afa69e59c16ab200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000158 9ae378b6d4409eada347a5dc0c180f186cb62dc68fcc0f043425eb917335aa28 0 95d429d309bb9d753954195fe2d69bd140b4ae731b9b5b605c34323de162cf00 0]}
//
// receipt{status=1 cgas=23949 bloom=00000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000040200000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 logs=[log: b6818c8064f645cd82d99b59a1a267d6d61117ef [75fd880d39c1daf53b6547ab6cb59451fc6452d27caa90e5b6649dd8293b9eed] 000000000000000000000000376c47978271565f56deb45495afa69e59c16ab200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000158 9ae378b6d4409eada347a5dc0c180f186cb62dc68fcc0f043425eb917335aa28 0 95d429d309bb9d753954195fe2d69bd140b4ae731b9b5b605c34323de162cf00 0]}
func TestUnpackEvent(t *testing.T) {
const abiJSON = `[{"constant":false,"inputs":[{"name":"memo","type":"bytes"}],"name":"receive","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"}],"name":"receivedAddr","type":"event"}]`
abi, err := JSON(strings.NewReader(abiJSON))
@ -1078,8 +1082,9 @@ func TestDoubleDuplicateMethodNames(t *testing.T) {
// TestDoubleDuplicateEventNames checks that if send0 already exists, there won't be a name
// conflict and that the second send event will be renamed send1.
// The test runs the abi of the following contract.
// contract DuplicateEvent {
// event send(uint256 a);
//
// contract DuplicateEvent {
// event send(uint256 a);
// event send0();
// event send();
// }
@ -1106,7 +1111,8 @@ func TestDoubleDuplicateEventNames(t *testing.T) {
// TestUnnamedEventParam checks that an event with unnamed parameters is
// correctly handled.
// The test runs the abi of the following contract.
// contract TestEvent {
//
// contract TestEvent {
// event send(uint256, uint256);
// }
func TestUnnamedEventParam(t *testing.T) {

91
accounts/abi/bind/backends/simulated_test.go
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@ -93,17 +93,18 @@ func TestSimulatedBackend(t *testing.T) {
var testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
// the following is based on this contract:
// contract T {
// event received(address sender, uint amount, bytes memo);
// event receivedAddr(address sender);
// the following is based on this contract:
//
// function receive(bytes calldata memo) external payable returns (string memory res) {
// emit received(msg.sender, msg.value, memo);
// emit receivedAddr(msg.sender);
// return "hello world";
// }
// }
// contract T {
// event received(address sender, uint amount, bytes memo);
// event receivedAddr(address sender);
//
// function receive(bytes calldata memo) external payable returns (string memory res) {
// emit received(msg.sender, msg.value, memo);
// emit receivedAddr(msg.sender);
// return "hello world";
// }
// }
const abiJSON = `[ { "constant": false, "inputs": [ { "name": "memo", "type": "bytes" } ], "name": "receive", "outputs": [ { "name": "res", "type": "string" } ], "payable": true, "stateMutability": "payable", "type": "function" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "sender", "type": "address" }, { "indexed": false, "name": "amount", "type": "uint256" }, { "indexed": false, "name": "memo", "type": "bytes" } ], "name": "received", "type": "event" }, { "anonymous": false, "inputs": [ { "indexed": false, "name": "sender", "type": "address" } ], "name": "receivedAddr", "type": "event" } ]`
const abiBin = `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`
const deployedCode = `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`
@ -417,12 +418,13 @@ func TestEstimateGas(t *testing.T) {
/*
pragma solidity ^0.6.4;
contract GasEstimation {
function PureRevert() public { revert(); }
function Revert() public { revert("revert reason");}
function OOG() public { for (uint i = 0; ; i++) {}}
function Assert() public { assert(false);}
function Valid() public {}
}*/
function PureRevert() public { revert(); }
function Revert() public { revert("revert reason");}
function OOG() public { for (uint i = 0; ; i++) {}}
function Assert() public { assert(false);}
function Valid() public {}
}
*/
const contractAbi = "[{\"inputs\":[],\"name\":\"Assert\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"OOG\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"PureRevert\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"Revert\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"Valid\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
const contractBin = "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"
@ -994,7 +996,8 @@ func TestCodeAt(t *testing.T) {
}
// When receive("X") is called with sender 0x00... and value 1, it produces this tx receipt:
// receipt{status=1 cgas=23949 bloom=00000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000040200000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 logs=[log: b6818c8064f645cd82d99b59a1a267d6d61117ef [75fd880d39c1daf53b6547ab6cb59451fc6452d27caa90e5b6649dd8293b9eed] 000000000000000000000000376c47978271565f56deb45495afa69e59c16ab200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000158 9ae378b6d4409eada347a5dc0c180f186cb62dc68fcc0f043425eb917335aa28 0 95d429d309bb9d753954195fe2d69bd140b4ae731b9b5b605c34323de162cf00 0]}
//
// receipt{status=1 cgas=23949 bloom=00000000004000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000800000000000000000000000000000000000040200000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 logs=[log: b6818c8064f645cd82d99b59a1a267d6d61117ef [75fd880d39c1daf53b6547ab6cb59451fc6452d27caa90e5b6649dd8293b9eed] 000000000000000000000000376c47978271565f56deb45495afa69e59c16ab200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000158 9ae378b6d4409eada347a5dc0c180f186cb62dc68fcc0f043425eb917335aa28 0 95d429d309bb9d753954195fe2d69bd140b4ae731b9b5b605c34323de162cf00 0]}
func TestPendingAndCallContract(t *testing.T) {
testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
sim := simTestBackend(testAddr)
@ -1057,27 +1060,27 @@ func TestPendingAndCallContract(t *testing.T) {
// This test is based on the following contract:
/*
contract Reverter {
function revertString() public pure{
require(false, "some error");
}
function revertNoString() public pure {
require(false, "");
}
function revertASM() public pure {
assembly {
revert(0x0, 0x0)
}
}
function noRevert() public pure {
assembly {
// Assembles something that looks like require(false, "some error") but is not reverted
mstore(0x0, 0x08c379a000000000000000000000000000000000000000000000000000000000)
mstore(0x4, 0x0000000000000000000000000000000000000000000000000000000000000020)
mstore(0x24, 0x000000000000000000000000000000000000000000000000000000000000000a)
mstore(0x44, 0x736f6d65206572726f7200000000000000000000000000000000000000000000)
return(0x0, 0x64)
}
}
function revertString() public pure{
require(false, "some error");
}
function revertNoString() public pure {
require(false, "");
}
function revertASM() public pure {
assembly {
revert(0x0, 0x0)
}
}
function noRevert() public pure {
assembly {
// Assembles something that looks like require(false, "some error") but is not reverted
mstore(0x0, 0x08c379a000000000000000000000000000000000000000000000000000000000)
mstore(0x4, 0x0000000000000000000000000000000000000000000000000000000000000020)
mstore(0x24, 0x000000000000000000000000000000000000000000000000000000000000000a)
mstore(0x44, 0x736f6d65206572726f7200000000000000000000000000000000000000000000)
return(0x0, 0x64)
}
}
}*/
func TestCallContractRevert(t *testing.T) {
testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
@ -1204,11 +1207,11 @@ func TestFork(t *testing.T) {
/*
Example contract to test event emission:
pragma solidity >=0.7.0 <0.9.0;
contract Callable {
event Called();
function Call() public { emit Called(); }
}
pragma solidity >=0.7.0 <0.9.0;
contract Callable {
event Called();
function Call() public { emit Called(); }
}
*/
const callableAbi = "[{\"anonymous\":false,\"inputs\":[],\"name\":\"Called\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"Call\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]"
@ -1226,7 +1229,7 @@ const callableBin = "6080604052348015600f57600080fd5b5060998061001e6000396000f3f
// 7. Mine two blocks to trigger a reorg.
// 8. Check that the event was removed.
// 9. Re-send the transaction and mine a block.
// 10. Check that the event was reborn.
// 10. Check that the event was reborn.
func TestForkLogsReborn(t *testing.T) {
testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
sim := simTestBackend(testAddr)

35
accounts/abi/reflect.go
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@ -25,16 +25,19 @@ import (
)
// ConvertType converts an interface of a runtime type into a interface of the
// given type
// e.g. turn
// var fields []reflect.StructField
// fields = append(fields, reflect.StructField{
// Name: "X",
// Type: reflect.TypeOf(new(big.Int)),
// Tag: reflect.StructTag("json:\"" + "x" + "\""),
// }
// into
// type TupleT struct { X *big.Int }
// given type, e.g. turn this code:
//
// var fields []reflect.StructField
//
// fields = append(fields, reflect.StructField{
// Name: "X",
// Type: reflect.TypeOf(new(big.Int)),
// Tag: reflect.StructTag("json:\"" + "x" + "\""),
// }
//
// into:
//
// type TupleT struct { X *big.Int }
func ConvertType(in interface{}, proto interface{}) interface{} {
protoType := reflect.TypeOf(proto)
if reflect.TypeOf(in).ConvertibleTo(protoType) {
@ -170,11 +173,13 @@ func setStruct(dst, src reflect.Value) error {
}
// mapArgNamesToStructFields maps a slice of argument names to struct fields.
// first round: for each Exportable field that contains a `abi:""` tag
// and this field name exists in the given argument name list, pair them together.
// second round: for each argument name that has not been already linked,
// find what variable is expected to be mapped into, if it exists and has not been
// used, pair them.
//
// first round: for each Exportable field that contains a `abi:""` tag and this field name
// exists in the given argument name list, pair them together.
//
// second round: for each argument name that has not been already linked, find what
// variable is expected to be mapped into, if it exists and has not been used, pair them.
//
// Note this function assumes the given value is a struct value.
func mapArgNamesToStructFields(argNames []string, value reflect.Value) (map[string]string, error) {
typ := value.Type()

15
accounts/abi/utils.go
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@ -21,15 +21,14 @@ import "fmt"
// ResolveNameConflict returns the next available name for a given thing.
// This helper can be used for lots of purposes:
//
// - In solidity function overloading is supported, this function can fix
// the name conflicts of overloaded functions.
// - In golang binding generation, the parameter(in function, event, error,
// and struct definition) name will be converted to camelcase style which
// may eventually lead to name conflicts.
// - In solidity function overloading is supported, this function can fix
// the name conflicts of overloaded functions.
// - In golang binding generation, the parameter(in function, event, error,
// and struct definition) name will be converted to camelcase style which
// may eventually lead to name conflicts.
//
// Name conflicts are mostly resolved by adding number suffix.
// e.g. if the abi contains Methods send, send1
// ResolveNameConflict would return send2 for input send.
// Name conflicts are mostly resolved by adding number suffix. e.g. if the abi contains
// Methods "send" and "send1", ResolveNameConflict would return "send2" for input "send".
func ResolveNameConflict(rawName string, used func(string) bool) string {
name := rawName
ok := used(name)

6
accounts/accounts.go
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@ -177,7 +177,8 @@ type Backend interface {
// safely used to calculate a signature from.
//
// The hash is calculated as
// keccak256("\x19Ethereum Signed Message:\n"${message length}${message}).
//
// keccak256("\x19Ethereum Signed Message:\n"${message length}${message}).
//
// This gives context to the signed message and prevents signing of transactions.
func TextHash(data []byte) []byte {
@ -189,7 +190,8 @@ func TextHash(data []byte) []byte {
// safely used to calculate a signature from.
//
// The hash is calculated as
// keccak256("\x19Ethereum Signed Message:\n"${message length}${message}).
//
// keccak256("\x19Ethereum Signed Message:\n"${message length}${message}).
//
// This gives context to the signed message and prevents signing of transactions.
func TextAndHash(data []byte) ([]byte, string) {

2
accounts/hd.go
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@ -46,7 +46,7 @@ var LegacyLedgerBaseDerivationPath = DerivationPath{0x80000000 + 44, 0x80000000
// The BIP-32 spec https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
// defines derivation paths to be of the form:
//
// m / purpose' / coin_type' / account' / change / address_index
// m / purpose' / coin_type' / account' / change / address_index
//
// The BIP-44 spec https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki
// defines that the `purpose` be 44' (or 0x8000002C) for crypto currencies, and

3
accounts/scwallet/wallet.go
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@ -879,6 +879,7 @@ func (s *Session) walletStatus() (*walletStatus, error) {
}
// derivationPath fetches the wallet's current derivation path from the card.
//
//lint:ignore U1000 needs to be added to the console interface
func (s *Session) derivationPath() (accounts.DerivationPath, error) {
response, err := s.Channel.transmitEncrypted(claSCWallet, insStatus, statusP1Path, 0, nil)
@ -994,6 +995,7 @@ func (s *Session) derive(path accounts.DerivationPath) (accounts.Account, error)
}
// keyExport contains information on an exported keypair.
//
//lint:ignore U1000 needs to be added to the console interface
type keyExport struct {
PublicKey []byte `asn1:"tag:0"`
@ -1001,6 +1003,7 @@ type keyExport struct {
}
// publicKey returns the public key for the current derivation path.
//
//lint:ignore U1000 needs to be added to the console interface
func (s *Session) publicKey() ([]byte, error) {
response, err := s.Channel.transmitEncrypted(claSCWallet, insExportKey, exportP1Any, exportP2Pubkey, nil)

7
accounts/url.go
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@ -92,10 +92,9 @@ func (u *URL) UnmarshalJSON(input []byte) error {
// Cmp compares x and y and returns:
//
// -1 if x < y
// 0 if x == y
// +1 if x > y
//
// -1 if x < y
// 0 if x == y
// +1 if x > y
func (u URL) Cmp(url URL) int {
if u.Scheme == url.Scheme {
return strings.Compare(u.Path, url.Path)

162
accounts/usbwallet/ledger.go
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@ -195,18 +195,18 @@ func (w *ledgerDriver) SignTypedMessage(path accounts.DerivationPath, domainHash
//
// The version retrieval protocol is defined as follows:
//
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+----+----+---
// E0 | 06 | 00 | 00 | 00 | 04
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+----+----+---
// E0 | 06 | 00 | 00 | 00 | 04
//
// With no input data, and the output data being:
//
// Description | Length
// ---------------------------------------------------+--------
// Flags 01: arbitrary data signature enabled by user | 1 byte
// Application major version | 1 byte
// Application minor version | 1 byte
// Application patch version | 1 byte
// Description | Length
// ---------------------------------------------------+--------
// Flags 01: arbitrary data signature enabled by user | 1 byte
// Application major version | 1 byte
// Application minor version | 1 byte
// Application patch version | 1 byte
func (w *ledgerDriver) ledgerVersion() ([3]byte, error) {
// Send the request and wait for the response
reply, err := w.ledgerExchange(ledgerOpGetConfiguration, 0, 0, nil)
@ -227,32 +227,32 @@ func (w *ledgerDriver) ledgerVersion() ([3]byte, error) {
//
// The address derivation protocol is defined as follows:
//
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+----+-----+---
// E0 | 02 | 00 return address
// 01 display address and confirm before returning
// | 00: do not return the chain code
// | 01: return the chain code
// | var | 00
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+----+-----+---
// E0 | 02 | 00 return address
// 01 display address and confirm before returning
// | 00: do not return the chain code
// | 01: return the chain code
// | var | 00
//
// Where the input data is:
//
// Description | Length
// -------------------------------------------------+--------
// Number of BIP 32 derivations to perform (max 10) | 1 byte
// First derivation index (big endian) | 4 bytes
// ... | 4 bytes
// Last derivation index (big endian) | 4 bytes
// Description | Length
// -------------------------------------------------+--------
// Number of BIP 32 derivations to perform (max 10) | 1 byte
// First derivation index (big endian) | 4 bytes
// ... | 4 bytes
// Last derivation index (big endian) | 4 bytes
//
// And the output data is:
//
// Description | Length
// ------------------------+-------------------
// Public Key length | 1 byte
// Uncompressed Public Key | arbitrary
// Ethereum address length | 1 byte
// Ethereum address | 40 bytes hex ascii
// Chain code if requested | 32 bytes
// Description | Length
// ------------------------+-------------------
// Public Key length | 1 byte
// Uncompressed Public Key | arbitrary
// Ethereum address length | 1 byte
// Ethereum address | 40 bytes hex ascii
// Chain code if requested | 32 bytes
func (w *ledgerDriver) ledgerDerive(derivationPath []uint32) (common.Address, error) {
// Flatten the derivation path into the Ledger request
path := make([]byte, 1+4*len(derivationPath))
@ -290,35 +290,35 @@ func (w *ledgerDriver) ledgerDerive(derivationPath []uint32) (common.Address, er
//
// The transaction signing protocol is defined as follows:
//
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+----+-----+---
// E0 | 04 | 00: first transaction data block
// 80: subsequent transaction data block
// | 00 | variable | variable
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+----+-----+---
// E0 | 04 | 00: first transaction data block
// 80: subsequent transaction data block
// | 00 | variable | variable
//
// Where the input for the first transaction block (first 255 bytes) is:
//
// Description | Length
// -------------------------------------------------+----------
// Number of BIP 32 derivations to perform (max 10) | 1 byte
// First derivation index (big endian) | 4 bytes
// ... | 4 bytes
// Last derivation index (big endian) | 4 bytes
// RLP transaction chunk | arbitrary
// Description | Length
// -------------------------------------------------+----------
// Number of BIP 32 derivations to perform (max 10) | 1 byte
// First derivation index (big endian) | 4 bytes
// ... | 4 bytes
// Last derivation index (big endian) | 4 bytes
// RLP transaction chunk | arbitrary
//
// And the input for subsequent transaction blocks (first 255 bytes) are:
//
// Description | Length
// ----------------------+----------
// RLP transaction chunk | arbitrary
// Description | Length
// ----------------------+----------
// RLP transaction chunk | arbitrary
//
// And the output data is:
//
// Description | Length
// ------------+---------
// signature V | 1 byte
// signature R | 32 bytes
// signature S | 32 bytes
// Description | Length
// ------------+---------
// signature V | 1 byte
// signature R | 32 bytes
// signature S | 32 bytes
func (w *ledgerDriver) ledgerSign(derivationPath []uint32, tx *types.Transaction, chainID *big.Int) (common.Address, *types.Transaction, error) {
// Flatten the derivation path into the Ledger request
path := make([]byte, 1+4*len(derivationPath))
@ -392,30 +392,28 @@ func (w *ledgerDriver) ledgerSign(derivationPath []uint32, tx *types.Transaction
//
// The signing protocol is defined as follows:
//
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+-----------------------------+-----+---
// E0 | 0C | 00 | implementation version : 00 | variable | variable
// CLA | INS | P1 | P2 | Lc | Le
// ----+-----+----+-----------------------------+-----+---
// E0 | 0C | 00 | implementation version : 00 | variable | variable
//
// Where the input is:
//
// Description | Length
// -------------------------------------------------+----------
// Number of BIP 32 derivations to perform (max 10) | 1 byte
// First derivation index (big endian) | 4 bytes
// ... | 4 bytes
// Last derivation index (big endian) | 4 bytes
// domain hash | 32 bytes
// message hash | 32 bytes
//
//
// Description | Length
// -------------------------------------------------+----------
// Number of BIP 32 derivations to perform (max 10) | 1 byte
// First derivation index (big endian) | 4 bytes
// ... | 4 bytes
// Last derivation index (big endian) | 4 bytes
// domain hash | 32 bytes
// message hash | 32 bytes
//
// And the output data is:
//
// Description | Length
// ------------+---------
// signature V | 1 byte
// signature R | 32 bytes
// signature S | 32 bytes
// Description | Length
// ------------+---------
// signature V | 1 byte
// signature R | 32 bytes
// signature S | 32 bytes
func (w *ledgerDriver) ledgerSignTypedMessage(derivationPath []uint32, domainHash []byte, messageHash []byte) ([]byte, error) {
// Flatten the derivation path into the Ledger request
path := make([]byte, 1+4*len(derivationPath))
@ -454,12 +452,12 @@ func (w *ledgerDriver) ledgerSignTypedMessage(derivationPath []uint32, domainHas
//
// The common transport header is defined as follows:
//
// Description | Length
// --------------------------------------+----------
// Communication channel ID (big endian) | 2 bytes
// Command tag | 1 byte
// Packet sequence index (big endian) | 2 bytes
// Payload | arbitrary
// Description | Length
// --------------------------------------+----------
// Communication channel ID (big endian) | 2 bytes
// Command tag | 1 byte
// Packet sequence index (big endian) | 2 bytes
// Payload | arbitrary
//
// The Communication channel ID allows commands multiplexing over the same
// physical link. It is not used for the time being, and should be set to 0101
@ -473,15 +471,15 @@ func (w *ledgerDriver) ledgerSignTypedMessage(derivationPath []uint32, domainHas
//
// APDU Command payloads are encoded as follows:
//
// Description | Length
// -----------------------------------
// APDU length (big endian) | 2 bytes
// APDU CLA | 1 byte
// APDU INS | 1 byte
// APDU P1 | 1 byte
// APDU P2 | 1 byte
// APDU length | 1 byte
// Optional APDU data | arbitrary
// Description | Length
// -----------------------------------
// APDU length (big endian) | 2 bytes
// APDU CLA | 1 byte
// APDU INS | 1 byte
// APDU P1 | 1 byte
// APDU P2 | 1 byte
// APDU length | 1 byte
// Optional APDU data | arbitrary
func (w *ledgerDriver) ledgerExchange(opcode ledgerOpcode, p1 ledgerParam1, p2 ledgerParam2, data []byte) ([]byte, error) {
// Construct the message payload, possibly split into multiple chunks
apdu := make([]byte, 2, 7+len(data))

18
accounts/usbwallet/trezor.go
Unescape View File

@ -84,15 +84,15 @@ func (w *trezorDriver) Status() (string, error) {
// Open implements usbwallet.driver, attempting to initialize the connection to
// the Trezor hardware wallet. Initializing the Trezor is a two or three phase operation:
// * The first phase is to initialize the connection and read the wallet's
// features. This phase is invoked if the provided passphrase is empty. The
// device will display the pinpad as a result and will return an appropriate
// error to notify the user that a second open phase is needed.
// * The second phase is to unlock access to the Trezor, which is done by the
// user actually providing a passphrase mapping a keyboard keypad to the pin
// number of the user (shuffled according to the pinpad displayed).
// * If needed the device will ask for passphrase which will require calling
// open again with the actual passphrase (3rd phase)
// - The first phase is to initialize the connection and read the wallet's
// features. This phase is invoked if the provided passphrase is empty. The
// device will display the pinpad as a result and will return an appropriate
// error to notify the user that a second open phase is needed.
// - The second phase is to unlock access to the Trezor, which is done by the
// user actually providing a passphrase mapping a keyboard keypad to the pin
// number of the user (shuffled according to the pinpad displayed).
// - If needed the device will ask for passphrase which will require calling
// open again with the actual passphrase (3rd phase)
func (w *trezorDriver) Open(device io.ReadWriter, passphrase string) error {
w.device, w.failure = device, nil

26
accounts/usbwallet/trezor/messages-common.pb.go
Unescape View File

@ -94,7 +94,7 @@ func (Failure_FailureType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_aaf30d059fdbc38d, []int{1, 0}
}
//*
// *
// Type of button request
type ButtonRequest_ButtonRequestType int32
@ -175,7 +175,7 @@ func (ButtonRequest_ButtonRequestType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_aaf30d059fdbc38d, []int{2, 0}
}
//*
// *
// Type of PIN request
type PinMatrixRequest_PinMatrixRequestType int32
@ -220,7 +220,7 @@ func (PinMatrixRequest_PinMatrixRequestType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_aaf30d059fdbc38d, []int{4, 0}
}
//*
// *
// Response: Success of the previous request
// @end
type Success struct {
@ -262,7 +262,7 @@ func (m *Success) GetMessage() string {
return ""
}
//*
// *
// Response: Failure of the previous request
// @end
type Failure struct {
@ -312,7 +312,7 @@ func (m *Failure) GetMessage() string {
return ""
}
//*
// *
// Response: Device is waiting for HW button press.
// @auxstart
// @next ButtonAck
@ -363,7 +363,7 @@ func (m *ButtonRequest) GetData() string {
return ""
}
//*
// *
// Request: Computer agrees to wait for HW button press
// @auxend
type ButtonAck struct {
@ -397,7 +397,7 @@ func (m *ButtonAck) XXX_DiscardUnknown() {
var xxx_messageInfo_ButtonAck proto.InternalMessageInfo
//*
// *
// Response: Device is asking computer to show PIN matrix and awaits PIN encoded using this matrix scheme
// @auxstart
// @next PinMatrixAck
@ -440,7 +440,7 @@ func (m *PinMatrixRequest) GetType() PinMatrixRequest_PinMatrixRequestType {
return PinMatrixRequest_PinMatrixRequestType_Current
}
//*
// *
// Request: Computer responds with encoded PIN
// @auxend
type PinMatrixAck struct {
@ -482,7 +482,7 @@ func (m *PinMatrixAck) GetPin() string {
return ""
}
//*
// *
// Response: Device awaits encryption passphrase
// @auxstart
// @next PassphraseAck
@ -525,7 +525,7 @@ func (m *PassphraseRequest) GetOnDevice() bool {
return false
}
//*
// *
// Request: Send passphrase back
// @next PassphraseStateRequest
type PassphraseAck struct {
@ -575,7 +575,7 @@ func (m *PassphraseAck) GetState() []byte {
return nil
}
//*
// *
// Response: Device awaits passphrase state
// @next PassphraseStateAck
type PassphraseStateRequest struct {
@ -617,7 +617,7 @@ func (m *PassphraseStateRequest) GetState() []byte {
return nil
}
//*
// *
// Request: Send passphrase state back
// @auxend
type PassphraseStateAck struct {
@ -651,7 +651,7 @@ func (m *PassphraseStateAck) XXX_DiscardUnknown() {
var xxx_messageInfo_PassphraseStateAck proto.InternalMessageInfo
//*
// *
// Structure representing BIP32 (hierarchical deterministic) node
// Used for imports of private key into the device and exporting public key out of device
// @embed

20
accounts/usbwallet/trezor/messages-ethereum.pb.go
Unescape View File

@ -21,7 +21,7 @@ var _ = math.Inf
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
//*
// *
// Request: Ask device for public key corresponding to address_n path
// @start
// @next EthereumPublicKey
@ -73,7 +73,7 @@ func (m *EthereumGetPublicKey) GetShowDisplay() bool {
return false
}
//*
// *
// Response: Contains public key derived from device private seed
// @end
type EthereumPublicKey struct {
@ -123,7 +123,7 @@ func (m *EthereumPublicKey) GetXpub() string {
return ""
}
//*
// *
// Request: Ask device for Ethereum address corresponding to address_n path
// @start
// @next EthereumAddress
@ -175,7 +175,7 @@ func (m *EthereumGetAddress) GetShowDisplay() bool {
return false
}
//*
// *
// Response: Contains an Ethereum address derived from device private seed
// @end
type EthereumAddress struct {
@ -225,7 +225,7 @@ func (m *EthereumAddress) GetAddressHex() string {
return ""
}
//*
// *
// Request: Ask device to sign transaction
// All fields are optional from the protocol's point of view. Each field defaults to value `0` if missing.
// Note: the first at most 1024 bytes of data MUST be transmitted as part of this message.
@ -351,7 +351,7 @@ func (m *EthereumSignTx) GetTxType() uint32 {
return 0
}
//*
// *
// Response: Device asks for more data from transaction payload, or returns the signature.
// If data_length is set, device awaits that many more bytes of payload.
// Otherwise, the signature_* fields contain the computed transaction signature. All three fields will be present.
@ -420,7 +420,7 @@ func (m *EthereumTxRequest) GetSignatureS() []byte {
return nil
}
//*
// *
// Request: Transaction payload data.
// @next EthereumTxRequest
type EthereumTxAck struct {
@ -462,7 +462,7 @@ func (m *EthereumTxAck) GetDataChunk() []byte {
return nil
}
//*
// *
// Request: Ask device to sign message
// @start
// @next EthereumMessageSignature
@ -514,7 +514,7 @@ func (m *EthereumSignMessage) GetMessage() []byte {
return nil
}
//*
// *
// Response: Signed message
// @end
type EthereumMessageSignature struct {
@ -572,7 +572,7 @@ func (m *EthereumMessageSignature) GetAddressHex() string {
return ""
}
//*
// *
// Request: Ask device to verify message
// @start
// @next Success

48
accounts/usbwallet/trezor/messages-management.pb.go
Unescape View File

@ -21,7 +21,7 @@ var _ = math.Inf
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
//*
// *
// Structure representing passphrase source
type ApplySettings_PassphraseSourceType int32
@ -66,7 +66,7 @@ func (ApplySettings_PassphraseSourceType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_0c720c20d27aa029, []int{4, 0}
}
//*
// *
// Type of recovery procedure. These should be used as bitmask, e.g.,
// `RecoveryDeviceType_ScrambledWords | RecoveryDeviceType_Matrix`
// listing every method supported by the host computer.
@ -114,7 +114,7 @@ func (RecoveryDevice_RecoveryDeviceType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_0c720c20d27aa029, []int{17, 0}
}
//*
// *
// Type of Recovery Word request
type WordRequest_WordRequestType int32
@ -159,7 +159,7 @@ func (WordRequest_WordRequestType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_0c720c20d27aa029, []int{18, 0}
}
//*
// *
// Request: Reset device to default state and ask for device details
// @start
// @next Features
@ -210,7 +210,7 @@ func (m *Initialize) GetSkipPassphrase() bool {
return false
}
//*
// *
// Request: Ask for device details (no device reset)
// @start
// @next Features
@ -245,7 +245,7 @@ func (m *GetFeatures) XXX_DiscardUnknown() {
var xxx_messageInfo_GetFeatures proto.InternalMessageInfo
//*
// *
// Response: Reports various information about the device
// @end
type Features struct {
@ -495,7 +495,7 @@ func (m *Features) GetNoBackup() bool {
return false
}
//*
// *
// Request: clear session (removes cached PIN, passphrase, etc).
// @start
// @next Success
@ -530,7 +530,7 @@ func (m *ClearSession) XXX_DiscardUnknown() {
var xxx_messageInfo_ClearSession proto.InternalMessageInfo
//*
// *
// Request: change language and/or label of the device
// @start
// @next Success
@ -622,7 +622,7 @@ func (m *ApplySettings) GetDisplayRotation() uint32 {
return 0
}
//*
// *
// Request: set flags of the device
// @start
// @next Success
@ -666,7 +666,7 @@ func (m *ApplyFlags) GetFlags() uint32 {
return 0
}
//*
// *
// Request: Starts workflow for setting/changing/removing the PIN
// @start
// @next Success
@ -710,7 +710,7 @@ func (m *ChangePin) GetRemove() bool {
return false
}
//*
// *
// Request: Test if the device is alive, device sends back the message in Success response
// @start
// @next Success
@ -777,7 +777,7 @@ func (m *Ping) GetPassphraseProtection() bool {
return false
}
//*
// *
// Request: Abort last operation that required user interaction
// @start
// @next Failure
@ -812,7 +812,7 @@ func (m *Cancel) XXX_DiscardUnknown() {
var xxx_messageInfo_Cancel proto.InternalMessageInfo
//*
// *
// Request: Request a sample of random data generated by hardware RNG. May be used for testing.
// @start
// @next Entropy
@ -856,7 +856,7 @@ func (m *GetEntropy) GetSize() uint32 {
return 0
}
//*
// *
// Response: Reply with random data generated by internal RNG
// @end
type Entropy struct {
@ -898,7 +898,7 @@ func (m *Entropy) GetEntropy() []byte {
return nil
}
//*
// *
// Request: Request device to wipe all sensitive data and settings
// @start
// @next Success
@ -934,7 +934,7 @@ func (m *WipeDevice) XXX_DiscardUnknown() {
var xxx_messageInfo_WipeDevice proto.InternalMessageInfo
//*
// *
// Request: Load seed and related internal settings from the computer
// @start
// @next Success
@ -1036,7 +1036,7 @@ func (m *LoadDevice) GetU2FCounter() uint32 {
return 0
}
//*
// *
// Request: Ask device to do initialization involving user interaction
// @start
// @next EntropyRequest
@ -1147,7 +1147,7 @@ func (m *ResetDevice) GetNoBackup() bool {
return false
}
//*
// *
// Request: Perform backup of the device seed if not backed up using ResetDevice
// @start
// @next Success
@ -1182,7 +1182,7 @@ func (m *BackupDevice) XXX_DiscardUnknown() {
var xxx_messageInfo_BackupDevice proto.InternalMessageInfo
//*
// *
// Response: Ask for additional entropy from host computer
// @next EntropyAck
type EntropyRequest struct {
@ -1216,7 +1216,7 @@ func (m *EntropyRequest) XXX_DiscardUnknown() {
var xxx_messageInfo_EntropyRequest proto.InternalMessageInfo
//*
// *
// Request: Provide additional entropy for seed generation function
// @next Success
type EntropyAck struct {
@ -1258,7 +1258,7 @@ func (m *EntropyAck) GetEntropy() []byte {
return nil
}
//*
// *
// Request: Start recovery workflow asking user for specific words of mnemonic
// Used to recovery device safely even on untrusted computer.
// @start
@ -1369,7 +1369,7 @@ func (m *RecoveryDevice) GetDryRun() bool {
return false
}
//*
// *
// Response: Device is waiting for user to enter word of the mnemonic
// Its position is shown only on device's internal display.
// @next WordAck
@ -1412,7 +1412,7 @@ func (m *WordRequest) GetType() WordRequest_WordRequestType {
return WordRequest_WordRequestType_Plain
}
//*
// *
// Request: Computer replies with word from the mnemonic
// @next WordRequest
// @next Success
@ -1456,7 +1456,7 @@ func (m *WordAck) GetWord() string {
return ""
}
//*
// *
// Request: Set U2F counter
// @start
// @next Success

2
accounts/usbwallet/trezor/messages.pb.go
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@ -22,7 +22,7 @@ var _ = math.Inf
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
//*
// *
// Mapping between TREZOR wire identifier (uint) and a protobuf message
type MessageType int32

70
build/checksums.txt
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@ -1,38 +1,38 @@
# This file contains sha256 checksums of optional build dependencies.
9920d3306a1ac536cdd2c796d6cb3c54bc559c226fc3cc39c32f1e0bd7f50d2a go1.18.5.src.tar.gz
828eeca8b5abea3e56921df8fa4b1101380a5ebcfee10acbc8ffe7ec0bf5876b go1.18.5.darwin-amd64.tar.gz
923a377c6fc9a2c789f5db61c24b8f64133f7889056897449891f256af34065f go1.18.5.darwin-arm64.tar.gz
c3d90264a706e2d88cfb44126dc6f0d008a48f00732e04bc377cea1a2b716a7c go1.18.5.freebsd-386.tar.gz
0de23843c568d388bc0f0e390a8966938cccaae0d74b698325f7175bac04e0c6 go1.18.5.freebsd-amd64.tar.gz
0c44f85d146c6f98c34e8ff436a42af22e90e36fe232d3d9d3101f23fd61362b go1.18.5.linux-386.tar.gz
9e5de37f9c49942c601b191ac5fba404b868bfc21d446d6960acc12283d6e5f2 go1.18.5.linux-amd64.tar.gz
006f6622718212363fa1ff004a6ab4d87bbbe772ec5631bab7cac10be346e4f1 go1.18.5.linux-arm64.tar.gz
d5ac34ac5f060a5274319aa04b7b11e41b123bd7887d64efb5f44ead236957af go1.18.5.linux-armv6l.tar.gz
2e37fb9c7cbaedd4e729492d658aa4cde821fc94117391a8105c13b25ca1c84b go1.18.5.linux-ppc64le.tar.gz
e3d536e7873639f85353e892444f83b14cb6670603961f215986ae8e28e8e07a go1.18.5.linux-s390x.tar.gz
7b3142ec0c5db991e7f73a231662a92429b90ee151fe47557acb566d8d9ae4d3 go1.18.5.windows-386.zip
73753620602d4b4469770040c53db55e5dd6af2ad07ecc18f71f164c3224eaad go1.18.5.windows-amd64.zip
4d154626affff12ef73ea1017af0e5b52dbc839ef92f6f9e76cf4f71278a5744 go1.18.5.windows-arm64.zip
27871baa490f3401414ad793fba49086f6c855b1c584385ed7771e1204c7e179 go1.19.1.src.tar.gz
b2828a2b05f0d2169afc74c11ed010775bf7cf0061822b275697b2f470495fb7 go1.19.1.darwin-amd64.tar.gz
e46aecce83a9289be16ce4ba9b8478a5b89b8aa0230171d5c6adbc0c66640548 go1.19.1.darwin-arm64.tar.gz
cfaca8c1d5784d2bc21e12d8893cfd2dc885a60db4c1a9a95e4ffc694d0925ce go1.19.1.freebsd-386.tar.gz
db5b8f232e12c655cc6cde6af1adf4d27d842541807802d747c86161e89efa0a go1.19.1.freebsd-amd64.tar.gz
9acc57342400c5b0c2da07b5b01b50da239dd4a7fad41a1fb56af8363ef4133f go1.19.1.linux-386.tar.gz
acc512fbab4f716a8f97a8b3fbaa9ddd39606a28be6c2515ef7c6c6311acffde go1.19.1.linux-amd64.tar.gz
49960821948b9c6b14041430890eccee58c76b52e2dbaafce971c3c38d43df9f go1.19.1.linux-arm64.tar.gz
efe93f5671621ee84ce5e262e1e21acbc72acefbaba360f21778abd083d4ad16 go1.19.1.linux-armv6l.tar.gz
4137984aa353de9c5ec1bd8fb3cd00a0624b75eafa3d4ec13d2f3f48261dba2e go1.19.1.linux-ppc64le.tar.gz
ca1005cc80a3dd726536b4c6ea5fef0318939351ff273eff420bd66a377c74eb go1.19.1.linux-s390x.tar.gz
bc7043e7a9a8d34aacd06f8c2f70e166d1d148f6800814cff790c45b9ab31cee go1.19.1.windows-386.zip
b33584c1d93b0e9c783de876b7aa99d3018bdeccd396aeb6d516a74e9d88d55f go1.19.1.windows-amd64.zip
d8cf3f04762fa7d5d9c82dfa15b5adaae2404463af3bc8dcd7f89837512501fe go1.19.1.windows-arm64.zip
658078aaaf7608693f37c4cf1380b2af418ab8b2d23fdb33e7e2d4339328590e golangci-lint-1.46.2-darwin-amd64.tar.gz
81f9b4afd62ec5e612ef8bc3b1d612a88b56ff289874831845cdad394427385f golangci-lint-1.46.2-darwin-arm64.tar.gz
943486e703e62ec55ecd90caeb22bcd39f8cc3962a93eec18c06b7bae12cb46f golangci-lint-1.46.2-freebsd-386.tar.gz
a75dd9ba7e08e8315c411697171db5375c0f6a1ece9e6fbeb9e9a4386822e17d golangci-lint-1.46.2-freebsd-amd64.tar.gz
83eedca1af72e8be055a1235177eb1b33524fbf08bec5730df2e6c3efade2b23 golangci-lint-1.46.2-freebsd-armv6.tar.gz
513d276c490de6f82baa01f9346d8d78b385f2ae97608f42f05d1f0f1314cd54 golangci-lint-1.46.2-freebsd-armv7.tar.gz
461a60016d516c69d406dc3e2d4957b722dbe684b7085dfac4802d0f84409e27 golangci-lint-1.46.2-linux-386.tar.gz
242cd4f2d6ac0556e315192e8555784d13da5d1874e51304711570769c4f2b9b golangci-lint-1.46.2-linux-amd64.tar.gz
ff5448ada2b3982581984d64b0dec614dba0a3ea4cab2d6a343c77927fc89f7e golangci-lint-1.46.2-linux-arm64.tar.gz
177f5210ef04aee282bfbc6ec519d36af5fb7d2b2c8d3f4ea5e59fdba71b0a27 golangci-lint-1.46.2-linux-armv6.tar.gz
10dd512a36ee978a1009edbca3ba3af410f0fda8df4d85f0e4793a24213870cc golangci-lint-1.46.2-linux-armv7.tar.gz
67779fa517c688c9db1090c3c456117d95c6b92979c623fe8cce8fb84251f21e golangci-lint-1.46.2-linux-mips64.tar.gz
c085f0f57bdccbb2c902a41b72ce210a3dfff16ca856789374745ab52004b6ee golangci-lint-1.46.2-linux-mips64le.tar.gz
abecef6421499248e58ed75d2938bc12b4b1f98b057f25060680b77bb51a881e golangci-lint-1.46.2-linux-ppc64le.tar.gz
134843a8f5c5c182c11979ea75f5866945d54757b2a04f3e5e04a0cf4fbf3a39 golangci-lint-1.46.2-linux-riscv64.tar.gz
9fe21a9476567aafe7a2e1a926b9641a39f920d4c0ea8eda9d968bc6136337f9 golangci-lint-1.46.2-linux-s390x.tar.gz
b48a421ec12a43f8fc8f977b9cf7d4a1ea1c4b97f803a238de7d3ce4ab23a84b golangci-lint-1.46.2-windows-386.zip
604acc1378a566abb0eac799362f3a37b7fcb5fa2268aeb2d5d954c829367301 golangci-lint-1.46.2-windows-amd64.zip
927def10db073da9687594072e6a3d9c891f67fa897105a2cfd715e018e7386c golangci-lint-1.46.2-windows-arm64.zip
729b76ed1d8b4e2612e38772b211503cb940e00a137bbaace1aa066f7c943737 golangci-lint-1.46.2-windows-armv6.zip
ea27c86d91e0b245ecbcfbf6cdb4ac0522d4bc6dca56bba02ea1bc77ad2917ac golangci-lint-1.46.2-windows-armv7.zip
20cd1215e0420db8cfa94a6cd3c9d325f7b39c07f2415a02d111568d8bc9e271 golangci-lint-1.49.0-darwin-amd64.tar.gz
cabb1a4c35fe1dadbe5a81550a00871281a331e7660cd85ae16e936a7f0f6cfc golangci-lint-1.49.0-darwin-arm64.tar.gz
f834c3b09580cf763b5d30b0c33c83cb13d7a822b5ed5d724143f121ffe28c97 golangci-lint-1.49.0-freebsd-386.tar.gz
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4a41cff3af7f5304751f7bbf4ea617c14ebc1f88481a28a013e61b06d1f7102c golangci-lint-1.49.0-linux-armv6.tar.gz
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33edf757bc2611204fdb40b212900866a57ded4eea62c1b19c10bfc375359afa golangci-lint-1.49.0-linux-mips64.tar.gz
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103bcb7ce6c668e0a7e95e5c5355892d74f5d15391443430472e66d652906a15 golangci-lint-1.49.0-linux-ppc64le.tar.gz
4636ff9b01ddb18a2c1a953fc134207711b0a5d874d04ac66f915e9cfff0e8e0 golangci-lint-1.49.0-linux-riscv64.tar.gz
029e0844931a2d3edc771d67e17fe17928f04f80c1a9aa165160a543e8a7e8d4 golangci-lint-1.49.0-linux-s390x.tar.gz
e9cb6f691e62a4d8b28dd52d2eab57cca72acfd5083b3c5417a72d2eb64def09 golangci-lint-1.49.0-windows-386.zip
d058dfb0c7fbd73be70f285d3f8d4d424192fe9b19760ddbb0b2c4b743b8656c golangci-lint-1.49.0-windows-amd64.zip
c049d80297228db7065eabeac5114f77f04415dcd9b944e8d7c6426d9dd6e9dd golangci-lint-1.49.0-windows-arm64.zip
ec9164bab7134ddb94f51c17fd37c109b0801ecd5494b6c0e27ca7898fbd7469 golangci-lint-1.49.0-windows-armv6.zip
68fd9e880d98073f436c58b6f6d2c141881ef49b06ca31137bc19da4e4e3b996 golangci-lint-1.49.0-windows-armv7.zip

25
build/ci.go
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@ -24,19 +24,18 @@ Usage: go run build/ci.go <command> <command flags/arguments>
Available commands are:
install [ -arch architecture ] [ -cc compiler ] [ packages... ] -- builds packages and executables
test [ -coverage ] [ packages... ] -- runs the tests
lint -- runs certain pre-selected linters
archive [ -arch architecture ] [ -type zip|tar ] [ -signer key-envvar ] [ -signify key-envvar ] [ -upload dest ] -- archives build artifacts
importkeys -- imports signing keys from env
debsrc [ -signer key-id ] [ -upload dest ] -- creates a debian source package
nsis -- creates a Windows NSIS installer
aar [ -local ] [ -sign key-id ] [-deploy repo] [ -upload dest ] -- creates an Android archive
xcode [ -local ] [ -sign key-id ] [-deploy repo] [ -upload dest ] -- creates an iOS XCode framework
purge [ -store blobstore ] [ -days threshold ] -- purges old archives from the blobstore
install [ -arch architecture ] [ -cc compiler ] [ packages... ] -- builds packages and executables
test [ -coverage ] [ packages... ] -- runs the tests
lint -- runs certain pre-selected linters
archive [ -arch architecture ] [ -type zip|tar ] [ -signer key-envvar ] [ -signify key-envvar ] [ -upload dest ] -- archives build artifacts
importkeys -- imports signing keys from env
debsrc [ -signer key-id ] [ -upload dest ] -- creates a debian source package
nsis -- creates a Windows NSIS installer
aar [ -local ] [ -sign key-id ] [-deploy repo] [ -upload dest ] -- creates an Android archive
xcode [ -local ] [ -sign key-id ] [-deploy repo] [ -upload dest ] -- creates an iOS XCode framework
purge [ -store blobstore ] [ -days threshold ] -- purges old archives from the blobstore
For all commands, -n prevents execution of external programs (dry run mode).
*/
package main
@ -149,7 +148,7 @@ var (
// This is the version of go that will be downloaded by
//
// go run ci.go install -dlgo
dlgoVersion = "1.18.5"
dlgoVersion = "1.19.1"
)
var GOBIN, _ = filepath.Abs(filepath.Join("build", "bin"))
@ -347,7 +346,7 @@ func doLint(cmdline []string) {
// downloadLinter downloads and unpacks golangci-lint.
func downloadLinter(cachedir string) string {
const version = "1.46.2"
const version = "1.49.0"
csdb := build.MustLoadChecksums("build/checksums.txt")
arch := runtime.GOARCH

5
cmd/evm/internal/t8ntool/transition.go
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@ -334,8 +334,9 @@ func (t *txWithKey) UnmarshalJSON(input []byte) error {
// signUnsignedTransactions converts the input txs to canonical transactions.
//
// The transactions can have two forms, either
// 1. unsigned or
// 2. signed
// 1. unsigned or
// 2. signed
//
// For (1), r, s, v, need so be zero, and the `secretKey` needs to be set.
// If so, we sign it here and now, with the given `secretKey`
// If the condition above is not met, then it's considered a signed transaction.

21
cmd/p2psim/main.go
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@ -19,21 +19,20 @@
// Here is an example of creating a 2 node network with the first node
// connected to the second:
//
// $ p2psim node create
// Created node01
// $ p2psim node create
// Created node01
//
// $ p2psim node start node01
// Started node01
// $ p2psim node start node01
// Started node01
//
// $ p2psim node create
// Created node02
// $ p2psim node create
// Created node02
//
// $ p2psim node start node02
// Started node02
//
// $ p2psim node connect node01 node02
// Connected node01 to node02
// $ p2psim node start node02
// Started node02
//
// $ p2psim node connect node01 node02
// Connected node01 to node02
package main
import (

2
common/hexutil/hexutil.go
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@ -18,7 +18,7 @@
Package hexutil implements hex encoding with 0x prefix.
This encoding is used by the Ethereum RPC API to transport binary data in JSON payloads.
Encoding Rules
# Encoding Rules
All hex data must have prefix "0x".

8
common/math/big.go
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@ -227,10 +227,10 @@ func U256Bytes(n *big.Int) []byte {
// S256 interprets x as a two's complement number.
// x must not exceed 256 bits (the result is undefined if it does) and is not modified.
//
// S256(0) = 0
// S256(1) = 1
// S256(2**255) = -2**255
// S256(2**256-1) = -1
// S256(0) = 0
// S256(1) = 1
// S256(2**255) = -2**255
// S256(2**256-1) = -1
func S256(x *big.Int) *big.Int {
if x.Cmp(tt255) < 0 {
return x

7
common/prque/lazyqueue.go
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@ -26,9 +26,10 @@ import (
// LazyQueue is a priority queue data structure where priorities can change over
// time and are only evaluated on demand.
// Two callbacks are required:
// - priority evaluates the actual priority of an item
// - maxPriority gives an upper estimate for the priority in any moment between
// now and the given absolute time
// - priority evaluates the actual priority of an item
// - maxPriority gives an upper estimate for the priority in any moment between
// now and the given absolute time
//
// If the upper estimate is exceeded then Update should be called for that item.
// A global Refresh function should also be called periodically.
type LazyQueue struct {

7
consensus/beacon/consensus.go
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@ -224,10 +224,11 @@ func (beacon *Beacon) VerifyUncles(chain consensus.ChainReader, block *types.Blo
// verifyHeader checks whether a header conforms to the consensus rules of the
// stock Ethereum consensus engine. The difference between the beacon and classic is
// (a) The following fields are expected to be constants:
// - difficulty is expected to be 0
// - nonce is expected to be 0
// - unclehash is expected to be Hash(emptyHeader)
// - difficulty is expected to be 0
// - nonce is expected to be 0
// - unclehash is expected to be Hash(emptyHeader)
// to be the desired constants
//
// (b) we don't verify if a block is in the future anymore
// (c) the extradata is limited to 32 bytes
func (beacon *Beacon) verifyHeader(chain consensus.ChainHeaderReader, header, parent *types.Header) error {

9
consensus/ethash/api.go
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@ -34,10 +34,11 @@ type API struct {
// GetWork returns a work package for external miner.
//
// The work package consists of 3 strings:
// result[0] - 32 bytes hex encoded current block header pow-hash
// result[1] - 32 bytes hex encoded seed hash used for DAG
// result[2] - 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
// result[3] - hex encoded block number
//
// result[0] - 32 bytes hex encoded current block header pow-hash
// result[1] - 32 bytes hex encoded seed hash used for DAG
// result[2] - 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
// result[3] - hex encoded block number
func (api *API) GetWork() ([4]string, error) {
if api.ethash.remote == nil {
return [4]string{}, errors.New("not supported")

9
consensus/ethash/sealer.go
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@ -339,10 +339,11 @@ func (s *remoteSealer) loop() {
// makeWork creates a work package for external miner.
//
// The work package consists of 3 strings:
// result[0], 32 bytes hex encoded current block header pow-hash
// result[1], 32 bytes hex encoded seed hash used for DAG
// result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
// result[3], hex encoded block number
//
// result[0], 32 bytes hex encoded current block header pow-hash
// result[1], 32 bytes hex encoded seed hash used for DAG
// result[2], 32 bytes hex encoded boundary condition ("target"), 2^256/difficulty
// result[3], hex encoded block number
func (s *remoteSealer) makeWork(block *types.Block) {
hash := s.ethash.SealHash(block.Header())
s.currentWork[0] = hash.Hex()

9
consensus/misc/dao.go
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@ -40,10 +40,11 @@ var (
// ensure it conforms to DAO hard-fork rules.
//
// DAO hard-fork extension to the header validity:
// a) if the node is no-fork, do not accept blocks in the [fork, fork+10) range
// with the fork specific extra-data set
// b) if the node is pro-fork, require blocks in the specific range to have the
// unique extra-data set.
//
// - if the node is no-fork, do not accept blocks in the [fork, fork+10) range
// with the fork specific extra-data set.
// - if the node is pro-fork, require blocks in the specific range to have the
// unique extra-data set.
func VerifyDAOHeaderExtraData(config *params.ChainConfig, header *types.Header) error {
// Short circuit validation if the node doesn't care about the DAO fork
if config.DAOForkBlock == nil {

8
core/beacon/types.go
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@ -136,9 +136,11 @@ func decodeTransactions(enc [][]byte) ([]*types.Transaction, error) {
// ExecutableDataToBlock constructs a block from executable data.
// It verifies that the following fields:
// len(extraData) <= 32
// uncleHash = emptyUncleHash
// difficulty = 0
//
// len(extraData) <= 32
// uncleHash = emptyUncleHash
// difficulty = 0
//
// and that the blockhash of the constructed block matches the parameters.
func ExecutableDataToBlock(params ExecutableDataV1) (*types.Block, error) {
txs, err := decodeTransactions(params.Transactions)

57
core/blockchain_test.go
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@ -1875,8 +1875,8 @@ func TestInsertReceiptChainRollback(t *testing.T) {
// overtake the 'canon' chain until after it's passed canon by about 200 blocks.
//
// Details at:
// - https://github.com/ethereum/go-ethereum/issues/18977
// - https://github.com/ethereum/go-ethereum/pull/18988
// - https://github.com/ethereum/go-ethereum/issues/18977
// - https://github.com/ethereum/go-ethereum/pull/18988
func TestLowDiffLongChain(t *testing.T) {
// Generate a canonical chain to act as the main dataset
engine := ethash.NewFaker()
@ -2023,14 +2023,16 @@ func testSideImport(t *testing.T, numCanonBlocksInSidechain, blocksBetweenCommon
}
// Tests that importing a sidechain (S), where
// - S is sidechain, containing blocks [Sn...Sm]
// - C is canon chain, containing blocks [G..Cn..Cm]
// - The common ancestor Cc is pruned
// - The first block in S: Sn, is == Cn
// - S is sidechain, containing blocks [Sn...Sm]
// - C is canon chain, containing blocks [G..Cn..Cm]
// - The common ancestor Cc is pruned
// - The first block in S: Sn, is == Cn
//
// That is: the sidechain for import contains some blocks already present in canon chain.
// So the blocks are
// [ Cn, Cn+1, Cc, Sn+3 ... Sm]
// ^ ^ ^ pruned
// So the blocks are:
//
// [ Cn, Cn+1, Cc, Sn+3 ... Sm]
// ^ ^ ^ pruned
func TestPrunedImportSide(t *testing.T) {
//glogger := log.NewGlogHandler(log.StreamHandler(os.Stdout, log.TerminalFormat(false)))
//glogger.Verbosity(3)
@ -2774,9 +2776,9 @@ func BenchmarkBlockChain_1x1000Executions(b *testing.B) {
// This internally leads to a sidechain import, since the blocks trigger an
// ErrPrunedAncestor error.
// This may e.g. happen if
// 1. Downloader rollbacks a batch of inserted blocks and exits
// 2. Downloader starts to sync again
// 3. The blocks fetched are all known and canonical blocks
// 1. Downloader rollbacks a batch of inserted blocks and exits
// 2. Downloader starts to sync again
// 3. The blocks fetched are all known and canonical blocks
func TestSideImportPrunedBlocks(t *testing.T) {
// Generate a canonical chain to act as the main dataset
engine := ethash.NewFaker()
@ -3269,20 +3271,19 @@ func TestDeleteRecreateSlotsAcrossManyBlocks(t *testing.T) {
// TestInitThenFailCreateContract tests a pretty notorious case that happened
// on mainnet over blocks 7338108, 7338110 and 7338115.
// - Block 7338108: address e771789f5cccac282f23bb7add5690e1f6ca467c is initiated
// with 0.001 ether (thus created but no code)
// - Block 7338110: a CREATE2 is attempted. The CREATE2 would deploy code on
// the same address e771789f5cccac282f23bb7add5690e1f6ca467c. However, the
// deployment fails due to OOG during initcode execution
// - Block 7338115: another tx checks the balance of
// e771789f5cccac282f23bb7add5690e1f6ca467c, and the snapshotter returned it as
// zero.
// - Block 7338108: address e771789f5cccac282f23bb7add5690e1f6ca467c is initiated
// with 0.001 ether (thus created but no code)
// - Block 7338110: a CREATE2 is attempted. The CREATE2 would deploy code on
// the same address e771789f5cccac282f23bb7add5690e1f6ca467c. However, the
// deployment fails due to OOG during initcode execution
// - Block 7338115: another tx checks the balance of
// e771789f5cccac282f23bb7add5690e1f6ca467c, and the snapshotter returned it as
// zero.
//
// The problem being that the snapshotter maintains a destructset, and adds items
// to the destructset in case something is created "onto" an existing item.
// We need to either roll back the snapDestructs, or not place it into snapDestructs
// in the first place.
//
func TestInitThenFailCreateContract(t *testing.T) {
var (
engine = ethash.NewFaker()
@ -3459,13 +3460,13 @@ func TestEIP2718Transition(t *testing.T) {
// TestEIP1559Transition tests the following:
//
// 1. A transaction whose gasFeeCap is greater than the baseFee is valid.
// 2. Gas accounting for access lists on EIP-1559 transactions is correct.
// 3. Only the transaction's tip will be received by the coinbase.
// 4. The transaction sender pays for both the tip and baseFee.
// 5. The coinbase receives only the partially realized tip when
// gasFeeCap - gasTipCap < baseFee.
// 6. Legacy transaction behave as expected (e.g. gasPrice = gasFeeCap = gasTipCap).
// 1. A transaction whose gasFeeCap is greater than the baseFee is valid.
// 2. Gas accounting for access lists on EIP-1559 transactions is correct.
// 3. Only the transaction's tip will be received by the coinbase.
// 4. The transaction sender pays for both the tip and baseFee.
// 5. The coinbase receives only the partially realized tip when
// gasFeeCap - gasTipCap < baseFee.
// 6. Legacy transaction behave as expected (e.g. gasPrice = gasFeeCap = gasTipCap).
func TestEIP1559Transition(t *testing.T) {
var (
aa = common.HexToAddress("0x000000000000000000000000000000000000aaaa")

8
core/genesis.go
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@ -239,10 +239,10 @@ type ChainOverrides struct {
// SetupGenesisBlock writes or updates the genesis block in db.
// The block that will be used is:
//
// genesis == nil genesis != nil
// +------------------------------------------
// db has no genesis | main-net default | genesis
// db has genesis | from DB | genesis (if compatible)
// genesis == nil genesis != nil
// +------------------------------------------
// db has no genesis | main-net default | genesis
// db has genesis | from DB | genesis (if compatible)
//
// The stored chain configuration will be updated if it is compatible (i.e. does not
// specify a fork block below the local head block). In case of a conflict, the

8
core/mkalloc.go
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@ -18,12 +18,10 @@
// +build none
/*
The mkalloc tool creates the genesis allocation constants in genesis_alloc.go
It outputs a const declaration that contains an RLP-encoded list of (address, balance) tuples.
The mkalloc tool creates the genesis allocation constants in genesis_alloc.go
It outputs a const declaration that contains an RLP-encoded list of (address, balance) tuples.
go run mkalloc.go genesis.json
go run mkalloc.go genesis.json
*/
package main

14
core/rawdb/freezer.go
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@ -57,10 +57,10 @@ const freezerTableSize = 2 * 1000 * 1000 * 1000
// Freezer is a memory mapped append-only database to store immutable ordered
// data into flat files:
//
// - The append-only nature ensures that disk writes are minimized.
// - The memory mapping ensures we can max out system memory for caching without
// reserving it for go-ethereum. This would also reduce the memory requirements
// of Geth, and thus also GC overhead.
// - The append-only nature ensures that disk writes are minimized.
// - The memory mapping ensures we can max out system memory for caching without
// reserving it for go-ethereum. This would also reduce the memory requirements
// of Geth, and thus also GC overhead.
type Freezer struct {
// WARNING: The `frozen` and `tail` fields are accessed atomically. On 32 bit platforms, only
// 64-bit aligned fields can be atomic. The struct is guaranteed to be so aligned,
@ -188,9 +188,9 @@ func (f *Freezer) Ancient(kind string, number uint64) ([]byte, error) {
// AncientRange retrieves multiple items in sequence, starting from the index 'start'.
// It will return
// - at most 'max' items,
// - at least 1 item (even if exceeding the maxByteSize), but will otherwise
// return as many items as fit into maxByteSize.
// - at most 'max' items,
// - at least 1 item (even if exceeding the maxByteSize), but will otherwise
// return as many items as fit into maxByteSize.
func (f *Freezer) AncientRange(kind string, start, count, maxBytes uint64) ([][]byte, error) {
if table := f.tables[kind]; table != nil {
return table.RetrieveItems(start, count, maxBytes)

6
core/state/pruner/pruner.go
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@ -66,9 +66,9 @@ var (
// Pruner is an offline tool to prune the stale state with the
// help of the snapshot. The workflow of pruner is very simple:
//
// - iterate the snapshot, reconstruct the relevant state
// - iterate the database, delete all other state entries which
// don't belong to the target state and the genesis state
// - iterate the snapshot, reconstruct the relevant state
// - iterate the database, delete all other state entries which
// don't belong to the target state and the genesis state
//
// It can take several hours(around 2 hours for mainnet) to finish
// the whole pruning work. It's recommended to run this offline tool

2
core/state/snapshot/generate_test.go
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@ -220,10 +220,12 @@ func (t *testHelper) CommitAndGenerate() (common.Hash, *diskLayer) {
// - miss in the beginning
// - miss in the middle
// - miss in the end
//
// - the contract(non-empty storage) has wrong storage slots
// - wrong slots in the beginning
// - wrong slots in the middle
// - wrong slots in the end
//
// - the contract(non-empty storage) has extra storage slots
// - extra slots in the beginning
// - extra slots in the middle

8
core/state/snapshot/snapshot.go
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@ -179,10 +179,10 @@ type Tree struct {
// If the memory layers in the journal do not match the disk layer (e.g. there is
// a gap) or the journal is missing, there are two repair cases:
//
// - if the 'recovery' parameter is true, all memory diff-layers will be discarded.
// This case happens when the snapshot is 'ahead' of the state trie.
// - otherwise, the entire snapshot is considered invalid and will be recreated on
// a background thread.
// - if the 'recovery' parameter is true, all memory diff-layers will be discarded.
// This case happens when the snapshot is 'ahead' of the state trie.
// - otherwise, the entire snapshot is considered invalid and will be recreated on
// a background thread.
func New(diskdb ethdb.KeyValueStore, triedb *trie.Database, cache int, root common.Hash, async bool, rebuild bool, recovery bool) (*Tree, error) {
// Create a new, empty snapshot tree
snap := &Tree{

4
core/state/statedb.go
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@ -600,8 +600,8 @@ func (s *StateDB) createObject(addr common.Address) (newobj, prev *stateObject)
// CreateAccount is called during the EVM CREATE operation. The situation might arise that
// a contract does the following:
//
// 1. sends funds to sha(account ++ (nonce + 1))
// 2. tx_create(sha(account ++ nonce)) (note that this gets the address of 1)
// 1. sends funds to sha(account ++ (nonce + 1))
// 2. tx_create(sha(account ++ nonce)) (note that this gets the address of 1)
//
// Carrying over the balance ensures that Ether doesn't disappear.
func (s *StateDB) CreateAccount(addr common.Address) {

48
core/state_transition.go
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@ -31,23 +31,26 @@ import (
var emptyCodeHash = crypto.Keccak256Hash(nil)
/*
The State Transitioning Model
A state transition is a change made when a transaction is applied to the current world state
The state transitioning model does all the necessary work to work out a valid new state root.
1) Nonce handling
2) Pre pay gas
3) Create a new state object if the recipient is \0*32
4) Value transfer
== If contract creation ==
4a) Attempt to run transaction data
4b) If valid, use result as code for the new state object
== end ==
5) Run Script section
6) Derive new state root
*/
// The State Transitioning Model
//
// A state transition is a change made when a transaction is applied to the current world
// state. The state transitioning model does all the necessary work to work out a valid new
// state root.
//
// 1. Nonce handling
// 2. Pre pay gas
// 3. Create a new state object if the recipient is \0*32
// 4. Value transfer
//
// == If contract creation ==
//
// 4a. Attempt to run transaction data
// 4b. If valid, use result as code for the new state object
//
// == end ==
//
// 5. Run Script section
// 6. Derive new state root
type StateTransition struct {
gp *GasPool
msg Message
@ -262,13 +265,10 @@ func (st *StateTransition) preCheck() error {
// TransitionDb will transition the state by applying the current message and
// returning the evm execution result with following fields.
//
// - used gas:
// total gas used (including gas being refunded)
// - returndata:
// the returned data from evm
// - concrete execution error:
// various **EVM** error which aborts the execution,
// e.g. ErrOutOfGas, ErrExecutionReverted
// - used gas: total gas used (including gas being refunded)
// - returndata: the returned data from evm
// - concrete execution error: various EVM errors which abort the execution, e.g.
// ErrOutOfGas, ErrExecutionReverted
//
// However if any consensus issue encountered, return the error directly with
// nil evm execution result.

8
core/vm/contracts.go
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@ -263,10 +263,10 @@ var (
// modexpMultComplexity implements bigModexp multComplexity formula, as defined in EIP-198
//
// def mult_complexity(x):
// if x <= 64: return x ** 2
// elif x <= 1024: return x ** 2 // 4 + 96 * x - 3072
// else: return x ** 2 // 16 + 480 * x - 199680
// def mult_complexity(x):
// if x <= 64: return x ** 2
// elif x <= 1024: return x ** 2 // 4 + 96 * x - 3072
// else: return x ** 2 // 16 + 480 * x - 199680
//
// where is x is max(length_of_MODULUS, length_of_BASE)
func modexpMultComplexity(x *big.Int) *big.Int {

53
core/vm/gas_table.go
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@ -117,20 +117,21 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
return params.SstoreResetGas, nil
}
}
// The new gas metering is based on net gas costs (EIP-1283):
//
// 1. If current value equals new value (this is a no-op), 200 gas is deducted.
// 2. If current value does not equal new value
// 2.1. If original value equals current value (this storage slot has not been changed by the current execution context)
// 2.1.1. If original value is 0, 20000 gas is deducted.
// 2.1.2. Otherwise, 5000 gas is deducted. If new value is 0, add 15000 gas to refund counter.
// 2.2. If original value does not equal current value (this storage slot is dirty), 200 gas is deducted. Apply both of the following clauses.
// 2.2.1. If original value is not 0
// 2.2.1.1. If current value is 0 (also means that new value is not 0), remove 15000 gas from refund counter. We can prove that refund counter will never go below 0.
// 2.2.1.2. If new value is 0 (also means that current value is not 0), add 15000 gas to refund counter.
// 2.2.2. If original value equals new value (this storage slot is reset)
// 2.2.2.1. If original value is 0, add 19800 gas to refund counter.
// 2.2.2.2. Otherwise, add 4800 gas to refund counter.
// (1.) If current value equals new value (this is a no-op), 200 gas is deducted.
// (2.) If current value does not equal new value
// (2.1.) If original value equals current value (this storage slot has not been changed by the current execution context)
// (2.1.1.) If original value is 0, 20000 gas is deducted.
// (2.1.2.) Otherwise, 5000 gas is deducted. If new value is 0, add 15000 gas to refund counter.
// (2.2.) If original value does not equal current value (this storage slot is dirty), 200 gas is deducted. Apply both of the following clauses.
// (2.2.1.) If original value is not 0
// (2.2.1.1.) If current value is 0 (also means that new value is not 0), remove 15000 gas from refund counter. We can prove that refund counter will never go below 0.
// (2.2.1.2.) If new value is 0 (also means that current value is not 0), add 15000 gas to refund counter.
// (2.2.2.) If original value equals new value (this storage slot is reset)
// (2.2.2.1.) If original value is 0, add 19800 gas to refund counter.
// (2.2.2.2.) Otherwise, add 4800 gas to refund counter.
value := common.Hash(y.Bytes32())
if current == value { // noop (1)
return params.NetSstoreNoopGas, nil
@ -162,19 +163,21 @@ func gasSStore(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi
return params.NetSstoreDirtyGas, nil
}
// 0. If *gasleft* is less than or equal to 2300, fail the current call.
// 1. If current value equals new value (this is a no-op), SLOAD_GAS is deducted.
// 2. If current value does not equal new value:
// 2.1. If original value equals current value (this storage slot has not been changed by the current execution context):
// 2.1.1. If original value is 0, SSTORE_SET_GAS (20K) gas is deducted.
// 2.1.2. Otherwise, SSTORE_RESET_GAS gas is deducted. If new value is 0, add SSTORE_CLEARS_SCHEDULE to refund counter.
// 2.2. If original value does not equal current value (this storage slot is dirty), SLOAD_GAS gas is deducted. Apply both of the following clauses:
// 2.2.1. If original value is not 0:
// 2.2.1.1. If current value is 0 (also means that new value is not 0), subtract SSTORE_CLEARS_SCHEDULE gas from refund counter.
// 2.2.1.2. If new value is 0 (also means that current value is not 0), add SSTORE_CLEARS_SCHEDULE gas to refund counter.
// 2.2.2. If original value equals new value (this storage slot is reset):
// 2.2.2.1. If original value is 0, add SSTORE_SET_GAS - SLOAD_GAS to refund counter.
// 2.2.2.2. Otherwise, add SSTORE_RESET_GAS - SLOAD_GAS gas to refund counter.
// Here come the EIP220 rules:
//
// (0.) If *gasleft* is less than or equal to 2300, fail the current call.
// (1.) If current value equals new value (this is a no-op), SLOAD_GAS is deducted.
// (2.) If current value does not equal new value:
// (2.1.) If original value equals current value (this storage slot has not been changed by the current execution context):
// (2.1.1.) If original value is 0, SSTORE_SET_GAS (20K) gas is deducted.
// (2.1.2.) Otherwise, SSTORE_RESET_GAS gas is deducted. If new value is 0, add SSTORE_CLEARS_SCHEDULE to refund counter.
// (2.2.) If original value does not equal current value (this storage slot is dirty), SLOAD_GAS gas is deducted. Apply both of the following clauses:
// (2.2.1.) If original value is not 0:
// (2.2.1.1.) If current value is 0 (also means that new value is not 0), subtract SSTORE_CLEARS_SCHEDULE gas from refund counter.
// (2.2.1.2.) If new value is 0 (also means that current value is not 0), add SSTORE_CLEARS_SCHEDULE gas to refund counter.
// (2.2.2.) If original value equals new value (this storage slot is reset):
// (2.2.2.1.) If original value is 0, add SSTORE_SET_GAS - SLOAD_GAS to refund counter.
// (2.2.2.2.) Otherwise, add SSTORE_RESET_GAS - SLOAD_GAS gas to refund counter.
func gasSStoreEIP2200(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) {
// If we fail the minimum gas availability invariant, fail (0)
if contract.Gas <= params.SstoreSentryGasEIP2200 {

32
core/vm/instructions.go
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@ -392,29 +392,29 @@ func opExtCodeCopy(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
// opExtCodeHash returns the code hash of a specified account.
// There are several cases when the function is called, while we can relay everything
// to `state.GetCodeHash` function to ensure the correctness.
// (1) Caller tries to get the code hash of a normal contract account, state
// should return the relative code hash and set it as the result.
//
// (2) Caller tries to get the code hash of a non-existent account, state should
// return common.Hash{} and zero will be set as the result.
// 1. Caller tries to get the code hash of a normal contract account, state
// should return the relative code hash and set it as the result.
//
// (3) Caller tries to get the code hash for an account without contract code,
// state should return emptyCodeHash(0xc5d246...) as the result.
// 2. Caller tries to get the code hash of a non-existent account, state should
// return common.Hash{} and zero will be set as the result.
//
// (4) Caller tries to get the code hash of a precompiled account, the result
// should be zero or emptyCodeHash.
// 3. Caller tries to get the code hash for an account without contract code, state
// should return emptyCodeHash(0xc5d246...) as the result.
//
// It is worth noting that in order to avoid unnecessary create and clean,
// all precompile accounts on mainnet have been transferred 1 wei, so the return
// here should be emptyCodeHash.
// If the precompile account is not transferred any amount on a private or
// 4. Caller tries to get the code hash of a precompiled account, the result should be
// zero or emptyCodeHash.
//
// It is worth noting that in order to avoid unnecessary create and clean, all precompile
// accounts on mainnet have been transferred 1 wei, so the return here should be
// emptyCodeHash. If the precompile account is not transferred any amount on a private or
// customized chain, the return value will be zero.
//
// (5) Caller tries to get the code hash for an account which is marked as suicided
// in the current transaction, the code hash of this account should be returned.
// 5. Caller tries to get the code hash for an account which is marked as suicided
// in the current transaction, the code hash of this account should be returned.
//
// (6) Caller tries to get the code hash for an account which is marked as deleted,
// this account should be regarded as a non-existent account and zero should be returned.
// 6. Caller tries to get the code hash for an account which is marked as deleted, this
// account should be regarded as a non-existent account and zero should be returned.
func opExtCodeHash(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byte, error) {
slot := scope.Stack.peek()
address := common.Address(slot.Bytes20())

2
crypto/crypto.go
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@ -35,7 +35,7 @@ import (
"golang.org/x/crypto/sha3"
)
//SignatureLength indicates the byte length required to carry a signature with recovery id.
// SignatureLength indicates the byte length required to carry a signature with recovery id.
const SignatureLength = 64 + 1 // 64 bytes ECDSA signature + 1 byte recovery id
// RecoveryIDOffset points to the byte offset within the signature that contains the recovery id.

1
crypto/secp256k1/curve.go
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@ -105,7 +105,6 @@ func (BitCurve *BitCurve) IsOnCurve(x, y *big.Int) bool {
return x3.Cmp(y2) == 0
}
//TODO: double check if the function is okay
// affineFromJacobian reverses the Jacobian transform. See the comment at the
// top of the file.
func (BitCurve *BitCurve) affineFromJacobian(x, y, z *big.Int) (xOut, yOut *big.Int) {

1
crypto/secp256k1/libsecp256k1/contrib/dummy.go
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@ -1,3 +1,4 @@
//go:build dummy
// +build dummy
// Package c contains only a C file.

1
crypto/secp256k1/libsecp256k1/dummy.go
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@ -1,3 +1,4 @@
//go:build dummy
// +build dummy
// Package c contains only a C file.

1
crypto/secp256k1/libsecp256k1/include/dummy.go
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@ -1,3 +1,4 @@
//go:build dummy
// +build dummy
// Package c contains only a C file.

1
crypto/secp256k1/libsecp256k1/src/dummy.go
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@ -1,3 +1,4 @@
//go:build dummy
// +build dummy
// Package c contains only a C file.

1
crypto/secp256k1/libsecp256k1/src/modules/dummy.go
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@ -1,3 +1,4 @@
//go:build dummy
// +build dummy
// Package c contains only a C file.

1
crypto/secp256k1/libsecp256k1/src/modules/ecdh/dummy.go
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@ -1,3 +1,4 @@
//go:build dummy
// +build dummy
// Package c contains only a C file.

1
crypto/secp256k1/libsecp256k1/src/modules/recovery/dummy.go
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@ -1,3 +1,4 @@
//go:build dummy
// +build dummy
// Package c contains only a C file.

22
eth/catalyst/api.go
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@ -142,15 +142,19 @@ func NewConsensusAPI(eth *eth.Ethereum) *ConsensusAPI {
}
// ForkchoiceUpdatedV1 has several responsibilities:
// If the method is called with an empty head block:
// we return success, which can be used to check if the engine API is enabled
// If the total difficulty was not reached:
// we return INVALID
// If the finalizedBlockHash is set:
// we check if we have the finalizedBlockHash in our db, if not we start a sync
// We try to set our blockchain to the headBlock
// If there are payloadAttributes:
// we try to assemble a block with the payloadAttributes and return its payloadID
//
// We try to set our blockchain to the headBlock.
//
// If the method is called with an empty head block: we return success, which can be used
// to check if the engine API is enabled.
//
// If the total difficulty was not reached: we return INVALID.
//
// If the finalizedBlockHash is set: we check if we have the finalizedBlockHash in our db,
// if not we start a sync.
//
// If there are payloadAttributes: we try to assemble a block with the payloadAttributes
// and return its payloadID.
func (api *ConsensusAPI) ForkchoiceUpdatedV1(update beacon.ForkchoiceStateV1, payloadAttributes *beacon.PayloadAttributesV1) (beacon.ForkChoiceResponse, error) {
api.forkchoiceLock.Lock()
defer api.forkchoiceLock.Unlock()

12
eth/catalyst/api_test.go
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@ -519,18 +519,18 @@ func TestExchangeTransitionConfig(t *testing.T) {
TestNewPayloadOnInvalidChain sets up a valid chain and tries to feed blocks
from an invalid chain to test if latestValidHash (LVH) works correctly.
We set up the following chain where P1 ... Pn and P1'' are valid while
We set up the following chain where P1 ... Pn and P1” are valid while
P1' is invalid.
We expect
(1) The LVH to point to the current inserted payload if it was valid.
(2) The LVH to point to the valid parent on an invalid payload (if the parent is available).
(3) If the parent is unavailable, the LVH should not be set.
CommonAncestor◄─▲── P1 ◄── P2 ◄─ P3 ◄─ ... ◄─ Pn
│
└── P1' ◄─ P2' ◄─ P3' ◄─ ... ◄─ Pn'
│
└── P1''
CommonAncestor◄─▲── P1 ◄── P2 ◄─ P3 ◄─ ... ◄─ Pn
│
└── P1' ◄─ P2' ◄─ P3' ◄─ ... ◄─ Pn'
│
└── P1''
*/
func TestNewPayloadOnInvalidChain(t *testing.T) {
genesis, preMergeBlocks := generatePreMergeChain(10)

8
eth/downloader/downloader.go
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@ -741,9 +741,11 @@ func (d *Downloader) fetchHead(p *peerConnection) (head *types.Header, pivot *ty
// calculateRequestSpan calculates what headers to request from a peer when trying to determine the
// common ancestor.
// It returns parameters to be used for peer.RequestHeadersByNumber:
// from - starting block number
// count - number of headers to request
// skip - number of headers to skip
//
// from - starting block number
// count - number of headers to request
// skip - number of headers to skip
//
// and also returns 'max', the last block which is expected to be returned by the remote peers,
// given the (from,count,skip)
func calculateRequestSpan(remoteHeight, localHeight uint64) (int64, int, int, uint64) {

7
eth/downloader/queue.go
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@ -480,9 +480,10 @@ func (q *queue) ReserveReceipts(p *peerConnection, count int) (*fetchRequest, bo
// to access the queue, so they already need a lock anyway.
//
// Returns:
// item - the fetchRequest
// progress - whether any progress was made
// throttle - if the caller should throttle for a while
//
// item - the fetchRequest
// progress - whether any progress was made
// throttle - if the caller should throttle for a while
func (q *queue) reserveHeaders(p *peerConnection, count int, taskPool map[common.Hash]*types.Header, taskQueue *prque.Prque,
pendPool map[string]*fetchRequest, kind uint) (*fetchRequest, bool, bool) {
// Short circuit if the pool has been depleted, or if the peer's already

9
eth/downloader/resultstore.go
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@ -71,10 +71,11 @@ func (r *resultStore) SetThrottleThreshold(threshold uint64) uint64 {
// wants to reserve headers for fetching.
//
// It returns the following:
// stale - if true, this item is already passed, and should not be requested again
// throttled - if true, the store is at capacity, this particular header is not prio now
// item - the result to store data into
// err - any error that occurred
//
// stale - if true, this item is already passed, and should not be requested again
// throttled - if true, the store is at capacity, this particular header is not prio now
// item - the result to store data into
// err - any error that occurred
func (r *resultStore) AddFetch(header *types.Header, fastSync bool) (stale, throttled bool, item *fetchResult, err error) {
r.lock.Lock()
defer r.lock.Unlock()

9
eth/gasprice/feehistory.go
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@ -208,10 +208,11 @@ func (oracle *Oracle) resolveBlockRange(ctx context.Context, reqEnd rpc.BlockNum
// actually processed range is returned to avoid ambiguity when parts of the requested range
// are not available or when the head has changed during processing this request.
// Three arrays are returned based on the processed blocks:
// - reward: the requested percentiles of effective priority fees per gas of transactions in each
// block, sorted in ascending order and weighted by gas used.
// - baseFee: base fee per gas in the given block
// - gasUsedRatio: gasUsed/gasLimit in the given block
// - reward: the requested percentiles of effective priority fees per gas of transactions in each
// block, sorted in ascending order and weighted by gas used.
// - baseFee: base fee per gas in the given block
// - gasUsedRatio: gasUsed/gasLimit in the given block
//
// Note: baseFee includes the next block after the newest of the returned range, because this
// value can be derived from the newest block.
func (oracle *Oracle) FeeHistory(ctx context.Context, blocks int, unresolvedLastBlock rpc.BlockNumber, rewardPercentiles []float64) (*big.Int, [][]*big.Int, []*big.Int, []float64, error) {

4
eth/protocols/snap/sync_test.go
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@ -368,8 +368,8 @@ func createStorageRequestResponse(t *testPeer, root common.Hash, accounts []comm
return hashes, slots, proofs
}
// the createStorageRequestResponseAlwaysProve tests a cornercase, where it always
// supplies the proof for the last account, even if it is 'complete'.h
// createStorageRequestResponseAlwaysProve tests a cornercase, where the peer always
// supplies the proof for the last account, even if it is 'complete'.
func createStorageRequestResponseAlwaysProve(t *testPeer, root common.Hash, accounts []common.Hash, bOrigin, bLimit []byte, max uint64) (hashes [][]common.Hash, slots [][][]byte, proofs [][]byte) {
var size uint64
max = max * 3 / 4

20
eth/state_accessor.go
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@ -46,16 +46,16 @@ var noopReleaser = tracers.StateReleaseFunc(func() {})
// Its purpose is to prevent resource leaking. Though it can be noop in some cases.
//
// Parameters:
// - block: The block for which we want the state(state = block.Root)
// - reexec: The maximum number of blocks to reprocess trying to obtain the desired state
// - base: If the caller is tracing multiple blocks, the caller can provide the parent
// state continuously from the callsite.
// - readOnly: If true, then the live 'blockchain' state database is used. No mutation should
// be made from caller, e.g. perform Commit or other 'save-to-disk' changes.
// Otherwise, the trash generated by caller may be persisted permanently.
// - preferDisk: this arg can be used by the caller to signal that even though the 'base' is
// provided, it would be preferable to start from a fresh state, if we have it
// on disk.
// - block: The block for which we want the state(state = block.Root)
// - reexec: The maximum number of blocks to reprocess trying to obtain the desired state
// - base: If the caller is tracing multiple blocks, the caller can provide the parent
// state continuously from the callsite.
// - readOnly: If true, then the live 'blockchain' state database is used. No mutation should
// be made from caller, e.g. perform Commit or other 'save-to-disk' changes.
// Otherwise, the trash generated by caller may be persisted permanently.
// - preferDisk: this arg can be used by the caller to signal that even though the 'base' is
// provided, it would be preferable to start from a fresh state, if we have it
// on disk.
func (eth *Ethereum) StateAtBlock(block *types.Block, reexec uint64, base *state.StateDB, readOnly bool, preferDisk bool) (statedb *state.StateDB, release tracers.StateReleaseFunc, err error) {
var (
current *types.Block

17
eth/tracers/native/4byte.go
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@ -37,14 +37,15 @@ func init() {
// a reversed signature can be matched against the size of the data.
//
// Example:
// > debug.traceTransaction( "0x214e597e35da083692f5386141e69f47e973b2c56e7a8073b1ea08fd7571e9de", {tracer: "4byteTracer"})
// {
// 0x27dc297e-128: 1,
// 0x38cc4831-0: 2,
// 0x524f3889-96: 1,
// 0xadf59f99-288: 1,
// 0xc281d19e-0: 1
// }
//
// > debug.traceTransaction( "0x214e597e35da083692f5386141e69f47e973b2c56e7a8073b1ea08fd7571e9de", {tracer: "4byteTracer"})
// {
// 0x27dc297e-128: 1,
// 0x38cc4831-0: 2,
// 0x524f3889-96: 1,
// 0xadf59f99-288: 1,
// 0xc281d19e-0: 1
// }
type fourByteTracer struct {
env *vm.EVM
ids map[string]int // ids aggregates the 4byte ids found

32
eth/tracers/native/tracer.go
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@ -14,24 +14,20 @@
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
/*
Package native is a collection of tracers written in go.
In order to add a native tracer and have it compiled into the binary, a new
file needs to be added to this folder, containing an implementation of the
`eth.tracers.Tracer` interface.
Aside from implementing the tracer, it also needs to register itself, using the
`register` method -- and this needs to be done in the package initialization.
Example:
```golang
func init() {
register("noopTracerNative", newNoopTracer)
}
```
*/
// Package native is a collection of tracers written in go.
//
// In order to add a native tracer and have it compiled into the binary, a new
// file needs to be added to this folder, containing an implementation of the
// `eth.tracers.Tracer` interface.
//
// Aside from implementing the tracer, it also needs to register itself, using the
// `register` method -- and this needs to be done in the package initialization.
//
// Example:
//
// func init() {
// register("noopTracerNative", newNoopTracer)
// }
package native
import (

15
ethdb/leveldb/leveldb.go
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@ -266,13 +266,14 @@ func (db *Database) Path() string {
// the metrics subsystem.
//
// This is how a LevelDB stats table looks like (currently):
// Compactions
// Level | Tables | Size(MB) | Time(sec) | Read(MB) | Write(MB)
// -------+------------+---------------+---------------+---------------+---------------
// 0 | 0 | 0.00000 | 1.27969 | 0.00000 | 12.31098
// 1 | 85 | 109.27913 | 28.09293 | 213.92493 | 214.26294
// 2 | 523 | 1000.37159 | 7.26059 | 66.86342 | 66.77884
// 3 | 570 | 1113.18458 | 0.00000 | 0.00000 | 0.00000
//
// Compactions
// Level | Tables | Size(MB) | Time(sec) | Read(MB) | Write(MB)
// -------+------------+---------------+---------------+---------------+---------------
// 0 | 0 | 0.00000 | 1.27969 | 0.00000 | 12.31098
// 1 | 85 | 109.27913 | 28.09293 | 213.92493 | 214.26294
// 2 | 523 | 1000.37159 | 7.26059 | 66.86342 | 66.77884
// 3 | 570 | 1113.18458 | 0.00000 | 0.00000 | 0.00000
//
// This is how the write delay look like (currently):
// DelayN:5 Delay:406.604657ms Paused: false

18
ethstats/ethstats.go
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@ -102,13 +102,17 @@ type Service struct {
// websocket.
//
// From Gorilla websocket docs:
// Connections support one concurrent reader and one concurrent writer.
// Applications are responsible for ensuring that no more than one goroutine calls the write methods
// - NextWriter, SetWriteDeadline, WriteMessage, WriteJSON, EnableWriteCompression, SetCompressionLevel
// concurrently and that no more than one goroutine calls the read methods
// - NextReader, SetReadDeadline, ReadMessage, ReadJSON, SetPongHandler, SetPingHandler
// concurrently.
// The Close and WriteControl methods can be called concurrently with all other methods.
//
// Connections support one concurrent reader and one concurrent writer. Applications are
// responsible for ensuring that
// - no more than one goroutine calls the write methods
// NextWriter, SetWriteDeadline, WriteMessage, WriteJSON, EnableWriteCompression,
// SetCompressionLevel concurrently; and
// - that no more than one goroutine calls the
// read methods NextReader, SetReadDeadline, ReadMessage, ReadJSON, SetPongHandler,
// SetPingHandler concurrently.
//
// The Close and WriteControl methods can be called concurrently with all other methods.
type connWrapper struct {
conn *websocket.Conn

2
internal/cmdtest/test_cmd.go
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@ -83,7 +83,7 @@ func (tt *TestCmd) Run(name string, args ...string) {
// InputLine writes the given text to the child's stdin.
// This method can also be called from an expect template, e.g.:
//
// geth.expect(`Passphrase: {{.InputLine "password"}}`)
// geth.expect(`Passphrase: {{.InputLine "password"}}`)
func (tt *TestCmd) InputLine(s string) string {
io.WriteString(tt.stdin, s+"\n")
return ""

8
internal/ethapi/api.go
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@ -731,10 +731,10 @@ func (s *BlockChainAPI) GetHeaderByHash(ctx context.Context, hash common.Hash) m
}
// GetBlockByNumber returns the requested canonical block.
// * When blockNr is -1 the chain head is returned.
// * When blockNr is -2 the pending chain head is returned.
// * When fullTx is true all transactions in the block are returned, otherwise
// only the transaction hash is returned.
// - When blockNr is -1 the chain head is returned.
// - When blockNr is -2 the pending chain head is returned.
// - When fullTx is true all transactions in the block are returned, otherwise
// only the transaction hash is returned.
func (s *BlockChainAPI) GetBlockByNumber(ctx context.Context, number rpc.BlockNumber, fullTx bool) (map[string]interface{}, error) {
block, err := s.b.BlockByNumber(ctx, number)
if block != nil && err == nil {

4
internal/flags/helpers.go
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@ -54,11 +54,11 @@ var migrationApplied = map[*cli.Command]struct{}{}
//
// Example:
//
// geth account new --keystore /tmp/mykeystore --lightkdf
// geth account new --keystore /tmp/mykeystore --lightkdf
//
// is equivalent after calling this method with:
//
// geth --keystore /tmp/mykeystore --lightkdf account new
// geth --keystore /tmp/mykeystore --lightkdf account new
//
// i.e. in the subcommand Action function of 'account new', ctx.Bool("lightkdf)
// will return true even if --lightkdf is set as a global option.

16
les/api.go
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@ -366,10 +366,11 @@ func NewLightAPI(backend *lesCommons) *LightAPI {
// LatestCheckpoint returns the latest local checkpoint package.
//
// The checkpoint package consists of 4 strings:
// result[0], hex encoded latest section index
// result[1], 32 bytes hex encoded latest section head hash
// result[2], 32 bytes hex encoded latest section canonical hash trie root hash
// result[3], 32 bytes hex encoded latest section bloom trie root hash
//
// result[0], hex encoded latest section index
// result[1], 32 bytes hex encoded latest section head hash
// result[2], 32 bytes hex encoded latest section canonical hash trie root hash
// result[3], 32 bytes hex encoded latest section bloom trie root hash
func (api *LightAPI) LatestCheckpoint() ([4]string, error) {
var res [4]string
cp := api.backend.latestLocalCheckpoint()
@ -384,9 +385,10 @@ func (api *LightAPI) LatestCheckpoint() ([4]string, error) {
// GetLocalCheckpoint returns the specific local checkpoint package.
//
// The checkpoint package consists of 3 strings:
// result[0], 32 bytes hex encoded latest section head hash
// result[1], 32 bytes hex encoded latest section canonical hash trie root hash
// result[2], 32 bytes hex encoded latest section bloom trie root hash
//
// result[0], 32 bytes hex encoded latest section head hash
// result[1], 32 bytes hex encoded latest section canonical hash trie root hash
// result[2], 32 bytes hex encoded latest section bloom trie root hash
func (api *LightAPI) GetCheckpoint(index uint64) ([3]string, error) {
var res [3]string
cp := api.backend.localCheckpoint(index)

22
les/catalyst/api.go
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@ -56,15 +56,19 @@ func NewConsensusAPI(les *les.LightEthereum) *ConsensusAPI {
}
// ForkchoiceUpdatedV1 has several responsibilities:
// If the method is called with an empty head block:
// we return success, which can be used to check if the catalyst mode is enabled
// If the total difficulty was not reached:
// we return INVALID
// If the finalizedBlockHash is set:
// we check if we have the finalizedBlockHash in our db, if not we start a sync
// We try to set our blockchain to the headBlock
// If there are payloadAttributes:
// we return an error since block creation is not supported in les mode
//
// We try to set our blockchain to the headBlock.
//
// If the method is called with an empty head block: we return success, which can be used
// to check if the catalyst mode is enabled.
//
// If the total difficulty was not reached: we return INVALID.
//
// If the finalizedBlockHash is set: we check if we have the finalizedBlockHash in our db,
// if not we start a sync.
//
// If there are payloadAttributes: we return an error since block creation is not
// supported in les mode.
func (api *ConsensusAPI) ForkchoiceUpdatedV1(heads beacon.ForkchoiceStateV1, payloadAttributes *beacon.PayloadAttributesV1) (beacon.ForkChoiceResponse, error) {
if heads.HeadBlockHash == (common.Hash{}) {
log.Warn("Forkchoice requested update to zero hash")

40
les/downloader/downloader.go
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@ -693,9 +693,11 @@ func (d *Downloader) fetchHead(p *peerConnection) (head *types.Header, pivot *ty
// calculateRequestSpan calculates what headers to request from a peer when trying to determine the
// common ancestor.
// It returns parameters to be used for peer.RequestHeadersByNumber:
// from - starting block number
// count - number of headers to request
// skip - number of headers to skip
//
// from - starting block number
// count - number of headers to request
// skip - number of headers to skip
//
// and also returns 'max', the last block which is expected to be returned by the remote peers,
// given the (from,count,skip)
func calculateRequestSpan(remoteHeight, localHeight uint64) (int64, int, int, uint64) {
@ -1310,22 +1312,22 @@ func (d *Downloader) fetchReceipts(from uint64) error {
// various callbacks to handle the slight differences between processing them.
//
// The instrumentation parameters:
// - errCancel: error type to return if the fetch operation is cancelled (mostly makes logging nicer)
// - deliveryCh: channel from which to retrieve downloaded data packets (merged from all concurrent peers)
// - deliver: processing callback to deliver data packets into type specific download queues (usually within `queue`)
// - wakeCh: notification channel for waking the fetcher when new tasks are available (or sync completed)
// - expire: task callback method to abort requests that took too long and return the faulty peers (traffic shaping)
// - pending: task callback for the number of requests still needing download (detect completion/non-completability)
// - inFlight: task callback for the number of in-progress requests (wait for all active downloads to finish)
// - throttle: task callback to check if the processing queue is full and activate throttling (bound memory use)
// - reserve: task callback to reserve new download tasks to a particular peer (also signals partial completions)
// - fetchHook: tester callback to notify of new tasks being initiated (allows testing the scheduling logic)
// - fetch: network callback to actually send a particular download request to a physical remote peer
// - cancel: task callback to abort an in-flight download request and allow rescheduling it (in case of lost peer)
// - capacity: network callback to retrieve the estimated type-specific bandwidth capacity of a peer (traffic shaping)
// - idle: network callback to retrieve the currently (type specific) idle peers that can be assigned tasks
// - setIdle: network callback to set a peer back to idle and update its estimated capacity (traffic shaping)
// - kind: textual label of the type being downloaded to display in log messages
// - errCancel: error type to return if the fetch operation is cancelled (mostly makes logging nicer)
// - deliveryCh: channel from which to retrieve downloaded data packets (merged from all concurrent peers)
// - deliver: processing callback to deliver data packets into type specific download queues (usually within `queue`)
// - wakeCh: notification channel for waking the fetcher when new tasks are available (or sync completed)
// - expire: task callback method to abort requests that took too long and return the faulty peers (traffic shaping)
// - pending: task callback for the number of requests still needing download (detect completion/non-completability)
// - inFlight: task callback for the number of in-progress requests (wait for all active downloads to finish)
// - throttle: task callback to check if the processing queue is full and activate throttling (bound memory use)
// - reserve: task callback to reserve new download tasks to a particular peer (also signals partial completions)
// - fetchHook: tester callback to notify of new tasks being initiated (allows testing the scheduling logic)
// - fetch: network callback to actually send a particular download request to a physical remote peer
// - cancel: task callback to abort an in-flight download request and allow rescheduling it (in case of lost peer)
// - capacity: network callback to retrieve the estimated type-specific bandwidth capacity of a peer (traffic shaping)
// - idle: network callback to retrieve the currently (type specific) idle peers that can be assigned tasks
// - setIdle: network callback to set a peer back to idle and update its estimated capacity (traffic shaping)
// - kind: textual label of the type being downloaded to display in log messages
func (d *Downloader) fetchParts(deliveryCh chan dataPack, deliver func(dataPack) (int, error), wakeCh chan bool,
expire func() map[string]int, pending func() int, inFlight func() bool, reserve func(*peerConnection, int) (*fetchRequest, bool, bool),
fetchHook func([]*types.Header), fetch func(*peerConnection, *fetchRequest) error, cancel func(*fetchRequest), capacity func(*peerConnection) int,

7
les/downloader/queue.go
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@ -477,9 +477,10 @@ func (q *queue) ReserveReceipts(p *peerConnection, count int) (*fetchRequest, bo
// to access the queue, so they already need a lock anyway.
//
// Returns:
// item - the fetchRequest
// progress - whether any progress was made
// throttle - if the caller should throttle for a while
//
// item - the fetchRequest
// progress - whether any progress was made
// throttle - if the caller should throttle for a while
func (q *queue) reserveHeaders(p *peerConnection, count int, taskPool map[common.Hash]*types.Header, taskQueue *prque.Prque,
pendPool map[string]*fetchRequest, kind uint) (*fetchRequest, bool, bool) {
// Short circuit if the pool has been depleted, or if the peer's already

9
les/downloader/resultstore.go
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@ -71,10 +71,11 @@ func (r *resultStore) SetThrottleThreshold(threshold uint64) uint64 {
// wants to reserve headers for fetching.
//
// It returns the following:
// stale - if true, this item is already passed, and should not be requested again
// throttled - if true, the store is at capacity, this particular header is not prio now
// item - the result to store data into
// err - any error that occurred
//
// stale - if true, this item is already passed, and should not be requested again
// throttled - if true, the store is at capacity, this particular header is not prio now
// item - the result to store data into
// err - any error that occurred
func (r *resultStore) AddFetch(header *types.Header, fastSync bool) (stale, throttled bool, item *fetchResult, err error) {
r.lock.Lock()
defer r.lock.Unlock()

22
les/fetcher.go
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@ -242,18 +242,20 @@ func (f *lightFetcher) forEachPeer(check func(id enode.ID, p *fetcherPeer) bool)
}
// mainloop is the main event loop of the light fetcher, which is responsible for
// - announcement maintenance(ulc)
// If we are running in ultra light client mode, then all announcements from
// the trusted servers are maintained. If the same announcements from trusted
// servers reach the threshold, then the relevant header is requested for retrieval.
//
// - block header retrieval
// Whenever we receive announce with higher td compared with local chain, the
// request will be made for header retrieval.
// - announcement maintenance(ulc)
//
// - re-sync trigger
// If the local chain lags too much, then the fetcher will enter "synchronise"
// mode to retrieve missing headers in batch.
// If we are running in ultra light client mode, then all announcements from
// the trusted servers are maintained. If the same announcements from trusted
// servers reach the threshold, then the relevant header is requested for retrieval.
//
// - block header retrieval
// Whenever we receive announce with higher td compared with local chain, the
// request will be made for header retrieval.
//
// - re-sync trigger
// If the local chain lags too much, then the fetcher will enter "synchronise"
// mode to retrieve missing headers in batch.
func (f *lightFetcher) mainloop() {
defer f.wg.Done()

17
light/txpool.go
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@ -71,15 +71,16 @@ type TxPool struct {
eip2718 bool // Fork indicator whether we are in the eip2718 stage.
}
// TxRelayBackend provides an interface to the mechanism that forwards transactions
// to the ETH network. The implementations of the functions should be non-blocking.
// TxRelayBackend provides an interface to the mechanism that forwards transactions to the
// ETH network. The implementations of the functions should be non-blocking.
//
// Send instructs backend to forward new transactions
// NewHead notifies backend about a new head after processed by the tx pool,
// including mined and rolled back transactions since the last event
// Discard notifies backend about transactions that should be discarded either
// because they have been replaced by a re-send or because they have been mined
// long ago and no rollback is expected
// Send instructs backend to forward new transactions NewHead notifies backend about a new
// head after processed by the tx pool, including mined and rolled back transactions since
// the last event.
//
// Discard notifies backend about transactions that should be discarded either because
// they have been replaced by a re-send or because they have been mined long ago and no
// rollback is expected.
type TxRelayBackend interface {
Send(txs types.Transactions)
NewHead(head common.Hash, mined []common.Hash, rollback []common.Hash)

218
log/doc.go
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@ -7,27 +7,25 @@ This package enforces you to only log key/value pairs. Keys must be strings. Val
any type that you like. The default output format is logfmt, but you may also choose to use
JSON instead if that suits you. Here's how you log:
log.Info("page accessed", "path", r.URL.Path, "user_id", user.id)
log.Info("page accessed", "path", r.URL.Path, "user_id", user.id)
This will output a line that looks like:
lvl=info t=2014-05-02T16:07:23-0700 msg="page accessed" path=/org/71/profile user_id=9
lvl=info t=2014-05-02T16:07:23-0700 msg="page accessed" path=/org/71/profile user_id=9
Getting Started
# Getting Started
To get started, you'll want to import the library:
import log "github.com/inconshreveable/log15"
import log "github.com/inconshreveable/log15"
Now you're ready to start logging:
func main() {
log.Info("Program starting", "args", os.Args())
}
func main() {
log.Info("Program starting", "args", os.Args())
}
Convention
# Convention
Because recording a human-meaningful message is common and good practice, the first argument to every
logging method is the value to the *implicit* key 'msg'.
@ -40,38 +38,35 @@ you to favor terseness, ordering, and speed over safety. This is a reasonable tr
logging functions. You don't need to explicitly state keys/values, log15 understands that they alternate
in the variadic argument list:
log.Warn("size out of bounds", "low", lowBound, "high", highBound, "val", val)
log.Warn("size out of bounds", "low", lowBound, "high", highBound, "val", val)
If you really do favor your type-safety, you may choose to pass a log.Ctx instead:
log.Warn("size out of bounds", log.Ctx{"low": lowBound, "high": highBound, "val": val})
log.Warn("size out of bounds", log.Ctx{"low": lowBound, "high": highBound, "val": val})
Context loggers
# Context loggers
Frequently, you want to add context to a logger so that you can track actions associated with it. An http
request is a good example. You can easily create new loggers that have context that is automatically included
with each log line:
requestlogger := log.New("path", r.URL.Path)
requestlogger := log.New("path", r.URL.Path)
// later
requestlogger.Debug("db txn commit", "duration", txnTimer.Finish())
// later
requestlogger.Debug("db txn commit", "duration", txnTimer.Finish())
This will output a log line that includes the path context that is attached to the logger:
lvl=dbug t=2014-05-02T16:07:23-0700 path=/repo/12/add_hook msg="db txn commit" duration=0.12
lvl=dbug t=2014-05-02T16:07:23-0700 path=/repo/12/add_hook msg="db txn commit" duration=0.12
Handlers
# Handlers
The Handler interface defines where log lines are printed to and how they are formatted. Handler is a
single interface that is inspired by net/http's handler interface:
type Handler interface {
Log(r *Record) error
}
type Handler interface {
Log(r *Record) error
}
Handlers can filter records, format them, or dispatch to multiple other Handlers.
This package implements a number of Handlers for common logging patterns that are
@ -79,49 +74,49 @@ easily composed to create flexible, custom logging structures.
Here's an example handler that prints logfmt output to Stdout:
handler := log.StreamHandler(os.Stdout, log.LogfmtFormat())
handler := log.StreamHandler(os.Stdout, log.LogfmtFormat())
Here's an example handler that defers to two other handlers. One handler only prints records
from the rpc package in logfmt to standard out. The other prints records at Error level
or above in JSON formatted output to the file /var/log/service.json
handler := log.MultiHandler(
log.LvlFilterHandler(log.LvlError, log.Must.FileHandler("/var/log/service.json", log.JSONFormat())),
log.MatchFilterHandler("pkg", "app/rpc" log.StdoutHandler())
)
handler := log.MultiHandler(
log.LvlFilterHandler(log.LvlError, log.Must.FileHandler("/var/log/service.json", log.JSONFormat())),
log.MatchFilterHandler("pkg", "app/rpc" log.StdoutHandler())
)
Logging File Names and Line Numbers
# Logging File Names and Line Numbers
This package implements three Handlers that add debugging information to the
context, CallerFileHandler, CallerFuncHandler and CallerStackHandler. Here's
an example that adds the source file and line number of each logging call to
the context.
h := log.CallerFileHandler(log.StdoutHandler)
log.Root().SetHandler(h)
...
log.Error("open file", "err", err)
h := log.CallerFileHandler(log.StdoutHandler)
log.Root().SetHandler(h)
...
log.Error("open file", "err", err)
This will output a line that looks like:
lvl=eror t=2014-05-02T16:07:23-0700 msg="open file" err="file not found" caller=data.go:42
lvl=eror t=2014-05-02T16:07:23-0700 msg="open file" err="file not found" caller=data.go:42
Here's an example that logs the call stack rather than just the call site.
h := log.CallerStackHandler("%+v", log.StdoutHandler)
log.Root().SetHandler(h)
...
log.Error("open file", "err", err)
h := log.CallerStackHandler("%+v", log.StdoutHandler)
log.Root().SetHandler(h)
...
log.Error("open file", "err", err)
This will output a line that looks like:
lvl=eror t=2014-05-02T16:07:23-0700 msg="open file" err="file not found" stack="[pkg/data.go:42 pkg/cmd/main.go]"
lvl=eror t=2014-05-02T16:07:23-0700 msg="open file" err="file not found" stack="[pkg/data.go:42 pkg/cmd/main.go]"
The "%+v" format instructs the handler to include the path of the source file
relative to the compile time GOPATH. The github.com/go-stack/stack package
documents the full list of formatting verbs and modifiers available.
Custom Handlers
# Custom Handlers
The Handler interface is so simple that it's also trivial to write your own. Let's create an
example handler which tries to write to one handler, but if that fails it falls back to
@ -129,24 +124,24 @@ writing to another handler and includes the error that it encountered when tryin
to the primary. This might be useful when trying to log over a network socket, but if that
fails you want to log those records to a file on disk.
type BackupHandler struct {
Primary Handler
Secondary Handler
}
type BackupHandler struct {
Primary Handler
Secondary Handler
}
func (h *BackupHandler) Log (r *Record) error {
err := h.Primary.Log(r)
if err != nil {
r.Ctx = append(ctx, "primary_err", err)
return h.Secondary.Log(r)
}
return nil
}
func (h *BackupHandler) Log (r *Record) error {
err := h.Primary.Log(r)
if err != nil {
r.Ctx = append(ctx, "primary_err", err)
return h.Secondary.Log(r)
}
return nil
}
This pattern is so useful that a generic version that handles an arbitrary number of Handlers
is included as part of this library called FailoverHandler.
Logging Expensive Operations
# Logging Expensive Operations
Sometimes, you want to log values that are extremely expensive to compute, but you don't want to pay
the price of computing them if you haven't turned up your logging level to a high level of detail.
@ -155,50 +150,50 @@ This package provides a simple type to annotate a logging operation that you wan
lazily, just when it is about to be logged, so that it would not be evaluated if an upstream Handler
filters it out. Just wrap any function which takes no arguments with the log.Lazy type. For example:
func factorRSAKey() (factors []int) {
// return the factors of a very large number
}
func factorRSAKey() (factors []int) {
// return the factors of a very large number
}
log.Debug("factors", log.Lazy{factorRSAKey})
log.Debug("factors", log.Lazy{factorRSAKey})
If this message is not logged for any reason (like logging at the Error level), then
factorRSAKey is never evaluated.
Dynamic context values
# Dynamic context values
The same log.Lazy mechanism can be used to attach context to a logger which you want to be
evaluated when the message is logged, but not when the logger is created. For example, let's imagine
a game where you have Player objects:
type Player struct {
name string
alive bool
log.Logger
}
type Player struct {
name string
alive bool
log.Logger
}
You always want to log a player's name and whether they're alive or dead, so when you create the player
object, you might do:
p := &Player{name: name, alive: true}
p.Logger = log.New("name", p.name, "alive", p.alive)
p := &Player{name: name, alive: true}
p.Logger = log.New("name", p.name, "alive", p.alive)
Only now, even after a player has died, the logger will still report they are alive because the logging
context is evaluated when the logger was created. By using the Lazy wrapper, we can defer the evaluation
of whether the player is alive or not to each log message, so that the log records will reflect the player's
current state no matter when the log message is written:
p := &Player{name: name, alive: true}
isAlive := func() bool { return p.alive }
player.Logger = log.New("name", p.name, "alive", log.Lazy{isAlive})
p := &Player{name: name, alive: true}
isAlive := func() bool { return p.alive }
player.Logger = log.New("name", p.name, "alive", log.Lazy{isAlive})
Terminal Format
# Terminal Format
If log15 detects that stdout is a terminal, it will configure the default
handler for it (which is log.StdoutHandler) to use TerminalFormat. This format
logs records nicely for your terminal, including color-coded output based
on log level.
Error Handling
# Error Handling
Becasuse log15 allows you to step around the type system, there are a few ways you can specify
invalid arguments to the logging functions. You could, for example, wrap something that is not
@ -216,61 +211,61 @@ are encouraged to return errors only if they fail to write their log records out
syslog daemon is not responding. This allows the construction of useful handlers which cope with those failures
like the FailoverHandler.
Library Use
# Library Use
log15 is intended to be useful for library authors as a way to provide configurable logging to
users of their library. Best practice for use in a library is to always disable all output for your logger
by default and to provide a public Logger instance that consumers of your library can configure. Like so:
package yourlib
package yourlib
import "github.com/inconshreveable/log15"
import "github.com/inconshreveable/log15"
var Log = log.New()
var Log = log.New()
func init() {
Log.SetHandler(log.DiscardHandler())
}
func init() {
Log.SetHandler(log.DiscardHandler())
}
Users of your library may then enable it if they like:
import "github.com/inconshreveable/log15"
import "example.com/yourlib"
import "github.com/inconshreveable/log15"
import "example.com/yourlib"
func main() {
handler := // custom handler setup
yourlib.Log.SetHandler(handler)
}
func main() {
handler := // custom handler setup
yourlib.Log.SetHandler(handler)
}
Best practices attaching logger context
# Best practices attaching logger context
The ability to attach context to a logger is a powerful one. Where should you do it and why?
I favor embedding a Logger directly into any persistent object in my application and adding
unique, tracing context keys to it. For instance, imagine I am writing a web browser:
type Tab struct {
url string
render *RenderingContext
// ...
type Tab struct {
url string
render *RenderingContext
// ...
Logger
}
Logger
}
func NewTab(url string) *Tab {
return &Tab {
// ...
url: url,
func NewTab(url string) *Tab {
return &Tab {
// ...
url: url,
Logger: log.New("url", url),
}
}
Logger: log.New("url", url),
}
}
When a new tab is created, I assign a logger to it with the url of
the tab as context so it can easily be traced through the logs.
Now, whenever we perform any operation with the tab, we'll log with its
embedded logger and it will include the tab title automatically:
tab.Debug("moved position", "idx", tab.idx)
tab.Debug("moved position", "idx", tab.idx)
There's only one problem. What if the tab url changes? We could
use log.Lazy to make sure the current url is always written, but that
@ -285,29 +280,29 @@ function to let you generate what you might call "surrogate keys"
They're just random hex identifiers to use for tracing. Back to our
Tab example, we would prefer to set up our Logger like so:
import logext "github.com/inconshreveable/log15/ext"
import logext "github.com/inconshreveable/log15/ext"
t := &Tab {
// ...
url: url,
}
t := &Tab {
// ...
url: url,
}
t.Logger = log.New("id", logext.RandId(8), "url", log.Lazy{t.getUrl})
return t
t.Logger = log.New("id", logext.RandId(8), "url", log.Lazy{t.getUrl})
return t
Now we'll have a unique traceable identifier even across loading new urls, but
we'll still be able to see the tab's current url in the log messages.
Must
# Must
For all Handler functions which can return an error, there is a version of that
function which will return no error but panics on failure. They are all available
on the Must object. For example:
log.Must.FileHandler("/path", log.JSONFormat)
log.Must.NetHandler("tcp", ":1234", log.JSONFormat)
log.Must.FileHandler("/path", log.JSONFormat)
log.Must.NetHandler("tcp", ":1234", log.JSONFormat)
Inspiration and Credit
# Inspiration and Credit
All of the following excellent projects inspired the design of this library:
@ -325,9 +320,8 @@ github.com/spacemonkeygo/spacelog
golang's stdlib, notably io and net/http
The Name
# The Name
https://xkcd.com/927/
*/
package log

6
log/format.go
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@ -79,12 +79,11 @@ type TerminalStringer interface {
// a terminal with color-coded level output and terser human friendly timestamp.
// This format should only be used for interactive programs or while developing.
//
// [LEVEL] [TIME] MESSAGE key=value key=value ...
// [LEVEL] [TIME] MESSAGE key=value key=value ...
//
// Example:
//
// [DBUG] [May 16 20:58:45] remove route ns=haproxy addr=127.0.0.1:50002
//
// [DBUG] [May 16 20:58:45] remove route ns=haproxy addr=127.0.0.1:50002
func TerminalFormat(usecolor bool) Format {
return FormatFunc(func(r *Record) []byte {
var color = 0
@ -149,7 +148,6 @@ func TerminalFormat(usecolor bool) Format {
// format for key/value pairs.
//
// For more details see: http://godoc.org/github.com/kr/logfmt
//
func LogfmtFormat() Format {
return FormatFunc(func(r *Record) []byte {
common := []interface{}{r.KeyNames.Time, r.Time, r.KeyNames.Lvl, r.Lvl, r.KeyNames.Msg, r.Msg}

38
log/handler.go
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@ -136,15 +136,14 @@ func CallerStackHandler(format string, h Handler) Handler {
// wrapped Handler if the given function evaluates true. For example,
// to only log records where the 'err' key is not nil:
//
// logger.SetHandler(FilterHandler(func(r *Record) bool {
// for i := 0; i < len(r.Ctx); i += 2 {
// if r.Ctx[i] == "err" {
// return r.Ctx[i+1] != nil
// }
// }
// return false
// }, h))
//
// logger.SetHandler(FilterHandler(func(r *Record) bool {
// for i := 0; i < len(r.Ctx); i += 2 {
// if r.Ctx[i] == "err" {
// return r.Ctx[i+1] != nil
// }
// }
// return false
// }, h))
func FilterHandler(fn func(r *Record) bool, h Handler) Handler {
return FuncHandler(func(r *Record) error {
if fn(r) {
@ -159,8 +158,7 @@ func FilterHandler(fn func(r *Record) bool, h Handler) Handler {
// context matches the value. For example, to only log records
// from your ui package:
//
// log.MatchFilterHandler("pkg", "app/ui", log.StdoutHandler)
//
// log.MatchFilterHandler("pkg", "app/ui", log.StdoutHandler)
func MatchFilterHandler(key string, value interface{}, h Handler) Handler {
return FilterHandler(func(r *Record) (pass bool) {
switch key {
@ -186,8 +184,7 @@ func MatchFilterHandler(key string, value interface{}, h Handler) Handler {
// level to the wrapped Handler. For example, to only
// log Error/Crit records:
//
// log.LvlFilterHandler(log.LvlError, log.StdoutHandler)
//
// log.LvlFilterHandler(log.LvlError, log.StdoutHandler)
func LvlFilterHandler(maxLvl Lvl, h Handler) Handler {
return FilterHandler(func(r *Record) (pass bool) {
return r.Lvl <= maxLvl
@ -199,10 +196,9 @@ func LvlFilterHandler(maxLvl Lvl, h Handler) Handler {
// to different locations. For example, to log to a file and
// standard error:
//
// log.MultiHandler(
// log.Must.FileHandler("/var/log/app.log", log.LogfmtFormat()),
// log.StderrHandler)
//
// log.MultiHandler(
// log.Must.FileHandler("/var/log/app.log", log.LogfmtFormat()),
// log.StderrHandler)
func MultiHandler(hs ...Handler) Handler {
return FuncHandler(func(r *Record) error {
for _, h := range hs {
@ -220,10 +216,10 @@ func MultiHandler(hs ...Handler) Handler {
// to writing to a file if the network fails, and then to
// standard out if the file write fails:
//
// log.FailoverHandler(
// log.Must.NetHandler("tcp", ":9090", log.JSONFormat()),
// log.Must.FileHandler("/var/log/app.log", log.LogfmtFormat()),
// log.StdoutHandler)
// log.FailoverHandler(
// log.Must.NetHandler("tcp", ":9090", log.JSONFormat()),
// log.Must.FileHandler("/var/log/app.log", log.LogfmtFormat()),
// log.StdoutHandler)
//
// All writes that do not go to the first handler will add context with keys of
// the form "failover_err_{idx}" which explain the error encountered while

12
log/handler_glog.go
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@ -82,14 +82,14 @@ func (h *GlogHandler) Verbosity(level Lvl) {
//
// For instance:
//
// pattern="gopher.go=3"
// sets the V level to 3 in all Go files named "gopher.go"
// pattern="gopher.go=3"
// sets the V level to 3 in all Go files named "gopher.go"
//
// pattern="foo=3"
// sets V to 3 in all files of any packages whose import path ends in "foo"
// pattern="foo=3"
// sets V to 3 in all files of any packages whose import path ends in "foo"
//
// pattern="foo/*=3"
// sets V to 3 in all files of any packages whose import path contains "foo"
// pattern="foo/*=3"
// sets V to 3 in all files of any packages whose import path contains "foo"
func (h *GlogHandler) Vmodule(ruleset string) error {
var filter []pattern
for _, rule := range strings.Split(ruleset, ",") {

8
metrics/influxdb/influxdbv2.go
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@ -1,11 +1,3 @@
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package influxdb
import (

1
mobile/big.go
Unescape View File

@ -77,7 +77,6 @@ func (bi *BigInt) SetInt64(x int64) {
// -1 if x < 0
// 0 if x == 0
// +1 if x > 0
//
func (bi *BigInt) Sign() int {
return bi.bigint.Sign()
}

6
mobile/discover.go
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@ -38,8 +38,8 @@ type Enode struct {
//
// For incomplete nodes, the designator must look like one of these
//
// enode://<hex node id>
// <hex node id>
// enode://<hex node id>
// <hex node id>
//
// For complete nodes, the node ID is encoded in the username portion
// of the URL, separated from the host by an @ sign. The hostname can
@ -52,7 +52,7 @@ type Enode struct {
// a node with IP address 10.3.58.6, TCP listening port 30303
// and UDP discovery port 30301.
//
// enode://<hex node id>@10.3.58.6:30303?discport=30301
// enode://<hex node id>@10.3.58.6:30303?discport=30301
func NewEnode(rawurl string) (*Enode, error) {
node, err := enode.Parse(enode.ValidSchemes, rawurl)
if err != nil {

2
mobile/doc.go
Unescape View File

@ -20,7 +20,7 @@
// with pieces plucked from go-ethereum, rather to allow writing native dapps on
// mobile platforms. Keep this in mind when using or extending this package!
//
// API limitations
// # API limitations
//
// Since gomobile cannot bridge arbitrary types between Go and Android/iOS, the
// exposed APIs need to be manually wrapped into simplified types, with custom

64
node/doc.go
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@ -21,25 +21,22 @@ In the model exposed by this package, a node is a collection of services which u
resources to provide RPC APIs. Services can also offer devp2p protocols, which are wired
up to the devp2p network when the node instance is started.
Node Lifecycle
# Node Lifecycle
The Node object has a lifecycle consisting of three basic states, INITIALIZING, RUNNING
and CLOSED.
●───────┐
New()
│
▼
INITIALIZING ────Start()─┐
│ │
│ ▼
Close() RUNNING
│ │
▼ │
CLOSED ◀──────Close()─┘
●───────┐
New()
│
▼
INITIALIZING ────Start()─┐
│ │
│ ▼
Close() RUNNING
│ │
▼ │
CLOSED ◀──────Close()─┘
Creating a Node allocates basic resources such as the data directory and returns the node
in its INITIALIZING state. Lifecycle objects, RPC APIs and peer-to-peer networking
@ -58,8 +55,7 @@ objects and shuts down RPC and peer-to-peer networking.
You must always call Close on Node, even if the node was not started.
Resources Managed By Node
# Resources Managed By Node
All file-system resources used by a node instance are located in a directory called the
data directory. The location of each resource can be overridden through additional node
@ -83,8 +79,7 @@ without a data directory, databases are opened in memory instead.
Node also creates the shared store of encrypted Ethereum account keys. Services can access
the account manager through the service context.
Sharing Data Directory Among Instances
# Sharing Data Directory Among Instances
Multiple node instances can share a single data directory if they have distinct instance
names (set through the Name config option). Sharing behaviour depends on the type of
@ -102,26 +97,25 @@ create one database for each instance.
The account key store is shared among all node instances using the same data directory
unless its location is changed through the KeyStoreDir configuration option.
Data Directory Sharing Example
# Data Directory Sharing Example
In this example, two node instances named A and B are started with the same data
directory. Node instance A opens the database "db", node instance B opens the databases
"db" and "db-2". The following files will be created in the data directory:
data-directory/
A/
nodekey -- devp2p node key of instance A
nodes/ -- devp2p discovery knowledge database of instance A
db/ -- LevelDB content for "db"
A.ipc -- JSON-RPC UNIX domain socket endpoint of instance A
B/
nodekey -- devp2p node key of node B
nodes/ -- devp2p discovery knowledge database of instance B
static-nodes.json -- devp2p static node list of instance B
db/ -- LevelDB content for "db"
db-2/ -- LevelDB content for "db-2"
B.ipc -- JSON-RPC UNIX domain socket endpoint of instance B
keystore/ -- account key store, used by both instances
data-directory/
A/
nodekey -- devp2p node key of instance A
nodes/ -- devp2p discovery knowledge database of instance A
db/ -- LevelDB content for "db"
A.ipc -- JSON-RPC UNIX domain socket endpoint of instance A
B/
nodekey -- devp2p node key of node B
nodes/ -- devp2p discovery knowledge database of instance B
static-nodes.json -- devp2p static node list of instance B
db/ -- LevelDB content for "db"
db-2/ -- LevelDB content for "db-2"
B.ipc -- JSON-RPC UNIX domain socket endpoint of instance B
keystore/ -- account key store, used by both instances
*/
package node

4
node/node_example_test.go
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@ -27,8 +27,8 @@ import (
// life cycle management.
//
// The following methods are needed to implement a node.Lifecycle:
// - Start() error - method invoked when the node is ready to start the service
// - Stop() error - method invoked when the node terminates the service
// - Start() error - method invoked when the node is ready to start the service
// - Stop() error - method invoked when the node terminates the service
type SampleLifecycle struct{}
func (s *SampleLifecycle) Start() error { fmt.Println("Service starting..."); return nil }

11
p2p/dial.go
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@ -84,13 +84,12 @@ var (
// dialer creates outbound connections and submits them into Server.
// Two types of peer connections can be created:
//
// - static dials are pre-configured connections. The dialer attempts
// keep these nodes connected at all times.
//
// - dynamic dials are created from node discovery results. The dialer
// continuously reads candidate nodes from its input iterator and attempts
// to create peer connections to nodes arriving through the iterator.
// - static dials are pre-configured connections. The dialer attempts
// keep these nodes connected at all times.
//
// - dynamic dials are created from node discovery results. The dialer
// continuously reads candidate nodes from its input iterator and attempts
// to create peer connections to nodes arriving through the iterator.
type dialScheduler struct {
dialConfig
setupFunc dialSetupFunc

3
p2p/discover/v5wire/encoding_test.go
Unescape View File

@ -38,8 +38,7 @@ import (
// To regenerate discv5 test vectors, run
//
// go test -run TestVectors -write-test-vectors
//
// go test -run TestVectors -write-test-vectors
var writeTestVectorsFlag = flag.Bool("write-test-vectors", false, "Overwrite discv5 test vectors in testdata/")
var (

42
p2p/dnsdisc/tree.go
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@ -117,32 +117,32 @@ func (t *Tree) Nodes() []*enode.Node {
We want to keep the UDP size below 512 bytes. The UDP size is roughly:
UDP length = 8 + UDP payload length ( 229 )
UPD Payload length:
- dns.id 2
- dns.flags 2
- dns.count.queries 2
- dns.count.answers 2
- dns.count.auth_rr 2
- dns.count.add_rr 2
- queries (query-size + 6)
- answers :
- dns.resp.name 2
- dns.resp.type 2
- dns.resp.class 2
- dns.resp.ttl 4
- dns.resp.len 2
- dns.txt.length 1
- dns.txt resp_data_size
So the total size is roughly a fixed overhead of `39`, and the size of the
query (domain name) and response.
The query size is, for example, FVY6INQ6LZ33WLCHO3BPR3FH6Y.snap.mainnet.ethdisco.net (52)
- dns.id 2
- dns.flags 2
- dns.count.queries 2
- dns.count.answers 2
- dns.count.auth_rr 2
- dns.count.add_rr 2
- queries (query-size + 6)
- answers :
- dns.resp.name 2
- dns.resp.type 2
- dns.resp.class 2
- dns.resp.ttl 4
- dns.resp.len 2
- dns.txt.length 1
- dns.txt resp_data_size
So the total size is roughly a fixed overhead of `39`, and the size of the query (domain
name) and response. The query size is, for example,
FVY6INQ6LZ33WLCHO3BPR3FH6Y.snap.mainnet.ethdisco.net (52)
We also have some static data in the response, such as `enrtree-branch:`, and potentially
splitting the response up with `" "`, leaving us with a size of roughly `400` that we need
to stay below.
The number `370` is used to have some margin for extra overhead (for example, the dns query
may be larger - more subdomains).
The number `370` is used to have some margin for extra overhead (for example, the dns
query may be larger - more subdomains).
*/
const (
hashAbbrevSize = 1 + 16*13/8 // Size of an encoded hash (plus comma)

6
p2p/enode/urlv4.go
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@ -54,8 +54,8 @@ func MustParseV4(rawurl string) *Node {
//
// For incomplete nodes, the designator must look like one of these
//
// enode://<hex node id>
// <hex node id>
// enode://<hex node id>
// <hex node id>
//
// For complete nodes, the node ID is encoded in the username portion
// of the URL, separated from the host by an @ sign. The hostname can
@ -68,7 +68,7 @@ func MustParseV4(rawurl string) *Node {
// a node with IP address 10.3.58.6, TCP listening port 30303
// and UDP discovery port 30301.
//
// enode://<hex node id>@10.3.58.6:30303?discport=30301
// enode://<hex node id>@10.3.58.6:30303?discport=30301
func ParseV4(rawurl string) (*Node, error) {
if m := incompleteNodeURL.FindStringSubmatch(rawurl); m != nil {
id, err := parsePubkey(m[1])

2
p2p/enr/enr.go
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@ -19,7 +19,7 @@
// stored in key/value pairs. To store and retrieve key/values in a record, use the Entry
// interface.
//
// Signature Handling
// # Signature Handling
//
// Records must be signed before transmitting them to another node.
//

5
p2p/message.go
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@ -107,12 +107,11 @@ func Send(w MsgWriter, msgcode uint64, data interface{}) error {
// SendItems writes an RLP with the given code and data elements.
// For a call such as:
//
// SendItems(w, code, e1, e2, e3)
// SendItems(w, code, e1, e2, e3)
//
// the message payload will be an RLP list containing the items:
//
// [e1, e2, e3]
//
// [e1, e2, e3]
func SendItems(w MsgWriter, msgcode uint64, elems ...interface{}) error {
return Send(w, msgcode, elems)
}

12
p2p/nat/nat.go
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@ -53,12 +53,12 @@ type Interface interface {
// The following formats are currently accepted.
// Note that mechanism names are not case-sensitive.
//
// "" or "none" return nil
// "extip:77.12.33.4" will assume the local machine is reachable on the given IP
// "any" uses the first auto-detected mechanism
// "upnp" uses the Universal Plug and Play protocol
// "pmp" uses NAT-PMP with an auto-detected gateway address
// "pmp:192.168.0.1" uses NAT-PMP with the given gateway address
// "" or "none" return nil
// "extip:77.12.33.4" will assume the local machine is reachable on the given IP
// "any" uses the first auto-detected mechanism
// "upnp" uses the Universal Plug and Play protocol
// "pmp" uses NAT-PMP with an auto-detected gateway address
// "pmp:192.168.0.1" uses NAT-PMP with the given gateway address
func Parse(spec string) (Interface, error) {
var (
parts = strings.SplitN(spec, ":", 2)

7
p2p/simulations/adapters/types.go
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@ -39,10 +39,9 @@ import (
// Node represents a node in a simulation network which is created by a
// NodeAdapter, for example:
//
// * SimNode - An in-memory node
// * ExecNode - A child process node
// * DockerNode - A Docker container node
//
// - SimNode, an in-memory node in the same process
// - ExecNode, a child process node
// - DockerNode, a node running in a Docker container
type Node interface {
// Addr returns the node's address (e.g. an Enode URL)
Addr() []byte

22
p2p/simulations/mocker.go
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@ -29,20 +29,20 @@ import (
"github.com/ethereum/go-ethereum/p2p/simulations/adapters"
)
//a map of mocker names to its function
// a map of mocker names to its function
var mockerList = map[string]func(net *Network, quit chan struct{}, nodeCount int){
"startStop": startStop,
"probabilistic": probabilistic,
"boot": boot,
}
//Lookup a mocker by its name, returns the mockerFn
// Lookup a mocker by its name, returns the mockerFn
func LookupMocker(mockerType string) func(net *Network, quit chan struct{}, nodeCount int) {
return mockerList[mockerType]
}
//Get a list of mockers (keys of the map)
//Useful for frontend to build available mocker selection
// Get a list of mockers (keys of the map)
// Useful for frontend to build available mocker selection
func GetMockerList() []string {
list := make([]string, 0, len(mockerList))
for k := range mockerList {
@ -51,7 +51,7 @@ func GetMockerList() []string {
return list
}
//The boot mockerFn only connects the node in a ring and doesn't do anything else
// The boot mockerFn only connects the node in a ring and doesn't do anything else
func boot(net *Network, quit chan struct{}, nodeCount int) {
_, err := connectNodesInRing(net, nodeCount)
if err != nil {
@ -59,7 +59,7 @@ func boot(net *Network, quit chan struct{}, nodeCount int) {
}
}
//The startStop mockerFn stops and starts nodes in a defined period (ticker)
// The startStop mockerFn stops and starts nodes in a defined period (ticker)
func startStop(net *Network, quit chan struct{}, nodeCount int) {
nodes, err := connectNodesInRing(net, nodeCount)
if err != nil {
@ -96,10 +96,10 @@ func startStop(net *Network, quit chan struct{}, nodeCount int) {
}
}
//The probabilistic mocker func has a more probabilistic pattern
//(the implementation could probably be improved):
//nodes are connected in a ring, then a varying number of random nodes is selected,
//mocker then stops and starts them in random intervals, and continues the loop
// The probabilistic mocker func has a more probabilistic pattern
// (the implementation could probably be improved):
// nodes are connected in a ring, then a varying number of random nodes is selected,
// mocker then stops and starts them in random intervals, and continues the loop
func probabilistic(net *Network, quit chan struct{}, nodeCount int) {
nodes, err := connectNodesInRing(net, nodeCount)
if err != nil {
@ -159,7 +159,7 @@ func probabilistic(net *Network, quit chan struct{}, nodeCount int) {
}
}
//connect nodeCount number of nodes in a ring
// connect nodeCount number of nodes in a ring
func connectNodesInRing(net *Network, nodeCount int) ([]enode.ID, error) {
ids := make([]enode.ID, nodeCount)
for i := 0; i < nodeCount; i++ {

3
params/denomination.go
Unescape View File

@ -19,8 +19,7 @@ package params
// These are the multipliers for ether denominations.
// Example: To get the wei value of an amount in 'gwei', use
//
// new(big.Int).Mul(value, big.NewInt(params.GWei))
//
// new(big.Int).Mul(value, big.NewInt(params.GWei))
const (
Wei = 1
GWei = 1e9

2
rlp/decode.go
Unescape View File

@ -76,7 +76,7 @@ type Decoder interface {
// Note that Decode does not set an input limit for all readers and may be vulnerable to
// panics cause by huge value sizes. If you need an input limit, use
//
// NewStream(r, limit).Decode(val)
// NewStream(r, limit).Decode(val)
func Decode(r io.Reader, val interface{}) error {
stream := streamPool.Get().(*Stream)
defer streamPool.Put(stream)

45
rlp/doc.go
Unescape View File

@ -27,8 +27,7 @@ value zero equivalent to the empty string).
RLP values are distinguished by a type tag. The type tag precedes the value in the input
stream and defines the size and kind of the bytes that follow.
Encoding Rules
# Encoding Rules
Package rlp uses reflection and encodes RLP based on the Go type of the value.
@ -58,8 +57,7 @@ An interface value encodes as the value contained in the interface.
Floating point numbers, maps, channels and functions are not supported.
Decoding Rules
# Decoding Rules
Decoding uses the following type-dependent rules:
@ -93,30 +91,29 @@ or one (true).
To decode into an interface value, one of these types is stored in the value:
[]interface{}, for RLP lists
[]byte, for RLP strings
[]interface{}, for RLP lists
[]byte, for RLP strings
Non-empty interface types are not supported when decoding.
Signed integers, floating point numbers, maps, channels and functions cannot be decoded into.
Struct Tags
# Struct Tags
As with other encoding packages, the "-" tag ignores fields.
type StructWithIgnoredField struct{
Ignored uint `rlp:"-"`
Field uint
}
type StructWithIgnoredField struct{
Ignored uint `rlp:"-"`
Field uint
}
Go struct values encode/decode as RLP lists. There are two ways of influencing the mapping
of fields to list elements. The "tail" tag, which may only be used on the last exported
struct field, allows slurping up any excess list elements into a slice.
type StructWithTail struct{
Field uint
Tail []string `rlp:"tail"`
}
type StructWithTail struct{
Field uint
Tail []string `rlp:"tail"`
}
The "optional" tag says that the field may be omitted if it is zero-valued. If this tag is
used on a struct field, all subsequent public fields must also be declared optional.
@ -128,11 +125,11 @@ When decoding into a struct, optional fields may be omitted from the end of the
list. For the example below, this means input lists of one, two, or three elements are
accepted.
type StructWithOptionalFields struct{
Required uint
Optional1 uint `rlp:"optional"`
Optional2 uint `rlp:"optional"`
}
type StructWithOptionalFields struct{
Required uint
Optional1 uint `rlp:"optional"`
Optional2 uint `rlp:"optional"`
}
The "nil", "nilList" and "nilString" tags apply to pointer-typed fields only, and change
the decoding rules for the field type. For regular pointer fields without the "nil" tag,
@ -140,9 +137,9 @@ input values must always match the required input length exactly and the decoder
produce nil values. When the "nil" tag is set, input values of size zero decode as a nil
pointer. This is especially useful for recursive types.
type StructWithNilField struct {
Field *[3]byte `rlp:"nil"`
}
type StructWithNilField struct {
Field *[3]byte `rlp:"nil"`
}
In the example above, Field allows two possible input sizes. For input 0xC180 (a list
containing an empty string) Field is set to nil after decoding. For input 0xC483000000 (a

57
rpc/doc.go
Unescape View File

@ -15,7 +15,6 @@
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
/*
Package rpc implements bi-directional JSON-RPC 2.0 on multiple transports.
It provides access to the exported methods of an object across a network or other I/O
@ -23,16 +22,16 @@ connection. After creating a server or client instance, objects can be registere
them visible as 'services'. Exported methods that follow specific conventions can be
called remotely. It also has support for the publish/subscribe pattern.
RPC Methods
# RPC Methods
Methods that satisfy the following criteria are made available for remote access:
- method must be exported
- method returns 0, 1 (response or error) or 2 (response and error) values
- method must be exported
- method returns 0, 1 (response or error) or 2 (response and error) values
An example method:
func (s *CalcService) Add(a, b int) (int, error)
func (s *CalcService) Add(a, b int) (int, error)
When the returned error isn't nil the returned integer is ignored and the error is sent
back to the client. Otherwise the returned integer is sent back to the client.
@ -41,7 +40,7 @@ Optional arguments are supported by accepting pointer values as arguments. E.g.
to do the addition in an optional finite field we can accept a mod argument as pointer
value.
func (s *CalcService) Add(a, b int, mod *int) (int, error)
func (s *CalcService) Add(a, b int, mod *int) (int, error)
This RPC method can be called with 2 integers and a null value as third argument. In that
case the mod argument will be nil. Or it can be called with 3 integers, in that case mod
@ -56,40 +55,40 @@ to the client out of order.
An example server which uses the JSON codec:
type CalculatorService struct {}
type CalculatorService struct {}
func (s *CalculatorService) Add(a, b int) int {
return a + b
}
func (s *CalculatorService) Add(a, b int) int {
return a + b
}
func (s *CalculatorService) Div(a, b int) (int, error) {
if b == 0 {
return 0, errors.New("divide by zero")
}
return a/b, nil
}
func (s *CalculatorService) Div(a, b int) (int, error) {
if b == 0 {
return 0, errors.New("divide by zero")
}
return a/b, nil
}
calculator := new(CalculatorService)
server := NewServer()
server.RegisterName("calculator", calculator)
l, _ := net.ListenUnix("unix", &net.UnixAddr{Net: "unix", Name: "/tmp/calculator.sock"})
server.ServeListener(l)
calculator := new(CalculatorService)
server := NewServer()
server.RegisterName("calculator", calculator)
l, _ := net.ListenUnix("unix", &net.UnixAddr{Net: "unix", Name: "/tmp/calculator.sock"})
server.ServeListener(l)
Subscriptions
# Subscriptions
The package also supports the publish subscribe pattern through the use of subscriptions.
A method that is considered eligible for notifications must satisfy the following
criteria:
- method must be exported
- first method argument type must be context.Context
- method must have return types (rpc.Subscription, error)
- method must be exported
- first method argument type must be context.Context
- method must have return types (rpc.Subscription, error)
An example method:
func (s *BlockChainService) NewBlocks(ctx context.Context) (rpc.Subscription, error) {
...
}
func (s *BlockChainService) NewBlocks(ctx context.Context) (rpc.Subscription, error) {
...
}
When the service containing the subscription method is registered to the server, for
example under the "blockchain" namespace, a subscription is created by calling the
@ -101,7 +100,7 @@ the client and server. The server will close the connection for any write error.
For more information about subscriptions, see https://github.com/ethereum/go-ethereum/wiki/RPC-PUB-SUB.
Reverse Calls
# Reverse Calls
In any method handler, an instance of rpc.Client can be accessed through the
ClientFromContext method. Using this client instance, server-to-client method calls can be

14
rpc/handler.go
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@ -34,20 +34,20 @@ import (
//
// The entry points for incoming messages are:
//
// h.handleMsg(message)
// h.handleBatch(message)
// h.handleMsg(message)
// h.handleBatch(message)
//
// Outgoing calls use the requestOp struct. Register the request before sending it
// on the connection:
//
// op := &requestOp{ids: ...}
// h.addRequestOp(op)
// op := &requestOp{ids: ...}
// h.addRequestOp(op)
//
// Now send the request, then wait for the reply to be delivered through handleMsg:
//
// if err := op.wait(...); err != nil {
// h.removeRequestOp(op) // timeout, etc.
// }
// if err := op.wait(...); err != nil {
// h.removeRequestOp(op) // timeout, etc.
// }
type handler struct {
reg *serviceRegistry
unsubscribeCb *callback

2
signer/core/api_test.go
Unescape View File

@ -39,7 +39,7 @@ import (
"github.com/ethereum/go-ethereum/signer/storage"
)
//Used for testing
// Used for testing
type headlessUi struct {
approveCh chan string // to send approve/deny
inputCh chan string // to send password

2
signer/core/apitypes/types.go
Unescape View File

@ -64,7 +64,7 @@ func (vs *ValidationMessages) Info(msg string) {
vs.Messages = append(vs.Messages, ValidationInfo{INFO, msg})
}
/// getWarnings returns an error with all messages of type WARN of above, or nil if no warnings were present
// getWarnings returns an error with all messages of type WARN of above, or nil if no warnings were present
func (v *ValidationMessages) GetWarnings() error {
var messages []string
for _, msg := range v.Messages {

17
tests/block_test_util.go
Unescape View File

@ -175,17 +175,18 @@ func (t *BlockTest) genesis(config *params.ChainConfig) *core.Genesis {
}
}
/* See https://github.com/ethereum/tests/wiki/Blockchain-Tests-II
/*
See https://github.com/ethereum/tests/wiki/Blockchain-Tests-II
Whether a block is valid or not is a bit subtle, it's defined by presence of
blockHeader, transactions and uncleHeaders fields. If they are missing, the block is
invalid and we must verify that we do not accept it.
Whether a block is valid or not is a bit subtle, it's defined by presence of
blockHeader, transactions and uncleHeaders fields. If they are missing, the block is
invalid and we must verify that we do not accept it.
Since some tests mix valid and invalid blocks we need to check this for every block.
Since some tests mix valid and invalid blocks we need to check this for every block.
If a block is invalid it does not necessarily fail the test, if it's invalidness is
expected we are expected to ignore it and continue processing and then validate the
post state.
If a block is invalid it does not necessarily fail the test, if it's invalidness is
expected we are expected to ignore it and continue processing and then validate the
post state.
*/
func (t *BlockTest) insertBlocks(blockchain *core.BlockChain) ([]btBlock, error) {
validBlocks := make([]btBlock, 0)

14
tests/fuzzers/bls12381/precompile_fuzzer.go
Unescape View File

@ -70,12 +70,14 @@ func checkInput(id byte, inputLen int) bool {
panic("programmer error")
}
// The fuzzer functions must return
// 1 if the fuzzer should increase priority of the
// given input during subsequent fuzzing (for example, the input is lexically
// correct and was parsed successfully);
// -1 if the input must not be added to corpus even if gives new coverage; and
// 0 otherwise
// The function must return
//
// - 1 if the fuzzer should increase priority of the
// given input during subsequent fuzzing (for example, the input is lexically
// correct and was parsed successfully);
// - -1 if the input must not be added to corpus even if gives new coverage; and
// - 0 otherwise
//
// other values are reserved for future use.
func fuzz(id byte, data []byte) int {
// Even on bad input, it should not crash, so we still test the gas calc

12
tests/fuzzers/difficulty/difficulty-fuzz.go
Unescape View File

@ -67,11 +67,13 @@ func (f *fuzzer) readBool() bool {
}
// The function must return
// 1 if the fuzzer should increase priority of the
// given input during subsequent fuzzing (for example, the input is lexically
// correct and was parsed successfully);
// -1 if the input must not be added to corpus even if gives new coverage; and
// 0 otherwise
//
// - 1 if the fuzzer should increase priority of the
// given input during subsequent fuzzing (for example, the input is lexically
// correct and was parsed successfully);
// - -1 if the input must not be added to corpus even if gives new coverage; and
// - 0 otherwise
//
// other values are reserved for future use.
func Fuzz(data []byte) int {
f := fuzzer{

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