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mobile: iOS naming and API fixes for generators and Swift (#3408)

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* build: modify the iOS namespace to iGeth (gomobile limitation)
* mobile: assign names to return types for ObjC wrapper
* mobile: use more expanded names for iOS/Swift API
pull/3414/head
Péter Szilágyi 8 years ago committed by Felix Lange
parent 3fc7c97827
commit 0fe35b907a
15 changed files with 151 additions and 147 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 2
      build/ci.go
  2. 44
      mobile/accounts.go
  3. 2
      mobile/big.go
  4. 22
      mobile/bind.go
  5. 20
      mobile/common.go
  6. 4
      mobile/discover.go
  7. 4
      mobile/doc.go
  8. 156
      mobile/ethclient.go
  9. 2
      mobile/ethereum.go
  10. 14
      mobile/geth.go
  11. 2
      mobile/interface.go
  12. 2
      mobile/p2p.go
  13. 2
      mobile/primitives.go
  14. 20
      mobile/types.go
  15. 2
      mobile/vm.go

2
build/ci.go
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@ -800,7 +800,7 @@ func doXCodeFramework(cmdline []string) {
// Build the iOS XCode framework // Build the iOS XCode framework
build.MustRun(goTool("get", "golang.org/x/mobile/cmd/gomobile")) build.MustRun(goTool("get", "golang.org/x/mobile/cmd/gomobile"))
build.MustRun(gomobileTool("init")) build.MustRun(gomobileTool("init"))
bind := gomobileTool("bind", "--target", "ios", "--tags", "ios", "--prefix", "GE", "-v", "github.com/ethereum/go-ethereum/mobile") bind := gomobileTool("bind", "--target", "ios", "--tags", "ios", "--prefix", "i", "-v", "github.com/ethereum/go-ethereum/mobile")
if *local { if *local {
// If we're building locally, use the build folder and stop afterwards // If we're building locally, use the build folder and stop afterwards

44
mobile/accounts.go
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@ -56,7 +56,7 @@ func (a *Accounts) Size() int {
} }
// Get returns the account at the given index from the slice. // Get returns the account at the given index from the slice.
func (a *Accounts) Get(index int) (*Account, error) { func (a *Accounts) Get(index int) (account *Account, _ error) {
if index < 0 || index >= len(a.accounts) { if index < 0 || index >= len(a.accounts) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }
@ -91,8 +91,8 @@ func NewAccountManager(keydir string, scryptN, scryptP int) *AccountManager {
} }
// HasAddress reports whether a key with the given address is present. // HasAddress reports whether a key with the given address is present.
func (am *AccountManager) HasAddress(addr *Address) bool { func (am *AccountManager) HasAddress(address *Address) bool {
return am.manager.HasAddress(addr.address) return am.manager.HasAddress(address.address)
} }
// GetAccounts returns all key files present in the directory. // GetAccounts returns all key files present in the directory.
@ -102,32 +102,32 @@ func (am *AccountManager) GetAccounts() *Accounts {
// DeleteAccount deletes the key matched by account if the passphrase is correct. // DeleteAccount deletes the key matched by account if the passphrase is correct.
// If a contains no filename, the address must match a unique key. // If a contains no filename, the address must match a unique key.
func (am *AccountManager) DeleteAccount(a *Account, passphrase string) error { func (am *AccountManager) DeleteAccount(account *Account, passphrase string) error {
return am.manager.DeleteAccount(accounts.Account{ return am.manager.DeleteAccount(accounts.Account{
Address: a.account.Address, Address: account.account.Address,
File: a.account.File, File: account.account.File,
}, passphrase) }, passphrase)
} }
// Sign signs hash with an unlocked private key matching the given address. // Sign signs hash with an unlocked private key matching the given address.
func (am *AccountManager) Sign(addr *Address, hash []byte) ([]byte, error) { func (am *AccountManager) Sign(address *Address, hash []byte) (signature []byte, _ error) {
return am.manager.Sign(addr.address, hash) return am.manager.Sign(address.address, hash)
} }
// SignWithPassphrase signs hash if the private key matching the given address can be // SignWithPassphrase signs hash if the private key matching the given address can be
// decrypted with the given passphrase. // decrypted with the given passphrase.
func (am *AccountManager) SignWithPassphrase(addr *Address, passphrase string, hash []byte) ([]byte, error) { func (am *AccountManager) SignWithPassphrase(address *Address, passphrase string, hash []byte) (signature []byte, _ error) {
return am.manager.SignWithPassphrase(addr.address, passphrase, hash) return am.manager.SignWithPassphrase(address.address, passphrase, hash)
} }
// Unlock unlocks the given account indefinitely. // Unlock unlocks the given account indefinitely.
func (am *AccountManager) Unlock(a *Account, passphrase string) error { func (am *AccountManager) Unlock(account *Account, passphrase string) error {
return am.manager.TimedUnlock(a.account, passphrase, 0) return am.manager.TimedUnlock(account.account, passphrase, 0)
} }
// Lock removes the private key with the given address from memory. // Lock removes the private key with the given address from memory.
func (am *AccountManager) Lock(addr *Address) error { func (am *AccountManager) Lock(address *Address) error {
return am.manager.Lock(addr.address) return am.manager.Lock(address.address)
} }
// TimedUnlock unlocks the given account with the passphrase. The account // TimedUnlock unlocks the given account with the passphrase. The account
@ -152,27 +152,27 @@ func (am *AccountManager) NewAccount(passphrase string) (*Account, error) {
} }
// ExportKey exports as a JSON key, encrypted with newPassphrase. // ExportKey exports as a JSON key, encrypted with newPassphrase.
func (am *AccountManager) ExportKey(a *Account, passphrase, newPassphrase string) ([]byte, error) { func (am *AccountManager) ExportKey(account *Account, passphrase, newPassphrase string) (key []byte, _ error) {
return am.manager.Export(a.account, passphrase, newPassphrase) return am.manager.Export(account.account, passphrase, newPassphrase)
} }
// ImportKey stores the given encrypted JSON key into the key directory. // ImportKey stores the given encrypted JSON key into the key directory.
func (am *AccountManager) ImportKey(keyJSON []byte, passphrase, newPassphrase string) (*Account, error) { func (am *AccountManager) ImportKey(keyJSON []byte, passphrase, newPassphrase string) (account *Account, _ error) {
account, err := am.manager.Import(keyJSON, passphrase, newPassphrase) acc, err := am.manager.Import(keyJSON, passphrase, newPassphrase)
if err != nil { if err != nil {
return nil, err return nil, err
} }
return &Account{account}, nil return &Account{acc}, nil
} }
// Update changes the passphrase of an existing account. // Update changes the passphrase of an existing account.
func (am *AccountManager) Update(a *Account, passphrase, newPassphrase string) error { func (am *AccountManager) Update(account *Account, passphrase, newPassphrase string) error {
return am.manager.Update(a.account, passphrase, newPassphrase) return am.manager.Update(account.account, passphrase, newPassphrase)
} }
// ImportPreSaleKey decrypts the given Ethereum presale wallet and stores // ImportPreSaleKey decrypts the given Ethereum presale wallet and stores
// a key file in the key directory. The key file is encrypted with the same passphrase. // a key file in the key directory. The key file is encrypted with the same passphrase.
func (am *AccountManager) ImportPreSaleKey(keyJSON []byte, passphrase string) (*Account, error) { func (am *AccountManager) ImportPreSaleKey(keyJSON []byte, passphrase string) (ccount *Account, _ error) {
account, err := am.manager.ImportPreSaleKey(keyJSON, passphrase) account, err := am.manager.ImportPreSaleKey(keyJSON, passphrase)
if err != nil { if err != nil {
return nil, err return nil, err

2
mobile/big.go
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@ -78,7 +78,7 @@ func (bi *BigInts) Size() int {
} }
// Get returns the bigint at the given index from the slice. // Get returns the bigint at the given index from the slice.
func (bi *BigInts) Get(index int) (*BigInt, error) { func (bi *BigInts) Get(index int) (bigint *BigInt, _ error) {
if index < 0 || index >= len(bi.bigints) { if index < 0 || index >= len(bi.bigints) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }

22
mobile/bind.go
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@ -31,15 +31,15 @@ import (
// Signer is an interaface defining the callback when a contract requires a // Signer is an interaface defining the callback when a contract requires a
// method to sign the transaction before submission. // method to sign the transaction before submission.
type Signer interface { type Signer interface {
Sign(*Address, *Transaction) (*Transaction, error) Sign(*Address, *Transaction) (tx *Transaction, _ error)
} }
type signer struct { type signer struct {
sign bind.SignerFn sign bind.SignerFn
} }
func (s *signer) Sign(addr *Address, tx *Transaction) (*Transaction, error) { func (s *signer) Sign(addr *Address, unsignedTx *Transaction) (signedTx *Transaction, _ error) {
sig, err := s.sign(types.HomesteadSigner{}, addr.address, tx.tx) sig, err := s.sign(types.HomesteadSigner{}, addr.address, unsignedTx.tx)
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -113,7 +113,7 @@ type BoundContract struct {
// DeployContract deploys a contract onto the Ethereum blockchain and binds the // DeployContract deploys a contract onto the Ethereum blockchain and binds the
// deployment address with a wrapper. // deployment address with a wrapper.
func DeployContract(opts *TransactOpts, abiJSON string, bytecode []byte, client *EthereumClient, args *Interfaces) (*BoundContract, error) { func DeployContract(opts *TransactOpts, abiJSON string, bytecode []byte, client *EthereumClient, args *Interfaces) (contract *BoundContract, _ error) {
// Convert all the deployment parameters to Go types // Convert all the deployment parameters to Go types
params := make([]interface{}, len(args.objects)) params := make([]interface{}, len(args.objects))
for i, obj := range args.objects { for i, obj := range args.objects {
@ -137,7 +137,7 @@ func DeployContract(opts *TransactOpts, abiJSON string, bytecode []byte, client
// BindContract creates a low level contract interface through which calls and // BindContract creates a low level contract interface through which calls and
// transactions may be made through. // transactions may be made through.
func BindContract(address *Address, abiJSON string, client *EthereumClient) (*BoundContract, error) { func BindContract(address *Address, abiJSON string, client *EthereumClient) (contract *BoundContract, _ error) {
parsed, err := abi.JSON(strings.NewReader(abiJSON)) parsed, err := abi.JSON(strings.NewReader(abiJSON))
if err != nil { if err != nil {
return nil, err return nil, err
@ -179,24 +179,24 @@ func (c *BoundContract) Call(opts *CallOpts, out *Interfaces, method string, arg
} }
// Transact invokes the (paid) contract method with params as input values. // Transact invokes the (paid) contract method with params as input values.
func (c *BoundContract) Transact(opts *TransactOpts, method string, args *Interfaces) (*Transaction, error) { func (c *BoundContract) Transact(opts *TransactOpts, method string, args *Interfaces) (tx *Transaction, _ error) {
params := make([]interface{}, len(args.objects)) params := make([]interface{}, len(args.objects))
for i, obj := range args.objects { for i, obj := range args.objects {
params[i] = obj params[i] = obj
} }
tx, err := c.contract.Transact(&opts.opts, method, params) rawTx, err := c.contract.Transact(&opts.opts, method, params)
if err != nil { if err != nil {
return nil, err return nil, err
} }
return &Transaction{tx}, nil return &Transaction{rawTx}, nil
} }
// Transfer initiates a plain transaction to move funds to the contract, calling // Transfer initiates a plain transaction to move funds to the contract, calling
// its default method if one is available. // its default method if one is available.
func (c *BoundContract) Transfer(opts *TransactOpts) (*Transaction, error) { func (c *BoundContract) Transfer(opts *TransactOpts) (tx *Transaction, _ error) {
tx, err := c.contract.Transfer(&opts.opts) rawTx, err := c.contract.Transfer(&opts.opts)
if err != nil { if err != nil {
return nil, err return nil, err
} }
return &Transaction{tx}, nil return &Transaction{rawTx}, nil
} }

20
mobile/common.go
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@ -33,18 +33,18 @@ type Hash struct {
} }
// NewHashFromBytes converts a slice of bytes to a hash value. // NewHashFromBytes converts a slice of bytes to a hash value.
func NewHashFromBytes(hash []byte) (*Hash, error) { func NewHashFromBytes(binary []byte) (hash *Hash, _ error) {
h := new(Hash) h := new(Hash)
if err := h.SetBytes(hash); err != nil { if err := h.SetBytes(binary); err != nil {
return nil, err return nil, err
} }
return h, nil return h, nil
} }
// NewHashFromHex converts a hex string to a hash value. // NewHashFromHex converts a hex string to a hash value.
func NewHashFromHex(hash string) (*Hash, error) { func NewHashFromHex(hex string) (hash *Hash, _ error) {
h := new(Hash) h := new(Hash)
if err := h.SetHex(hash); err != nil { if err := h.SetHex(hex); err != nil {
return nil, err return nil, err
} }
return h, nil return h, nil
@ -95,7 +95,7 @@ func (h *Hashes) Size() int {
} }
// Get returns the hash at the given index from the slice. // Get returns the hash at the given index from the slice.
func (h *Hashes) Get(index int) (*Hash, error) { func (h *Hashes) Get(index int) (hash *Hash, _ error) {
if index < 0 || index >= len(h.hashes) { if index < 0 || index >= len(h.hashes) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }
@ -108,18 +108,18 @@ type Address struct {
} }
// NewAddressFromBytes converts a slice of bytes to a hash value. // NewAddressFromBytes converts a slice of bytes to a hash value.
func NewAddressFromBytes(address []byte) (*Address, error) { func NewAddressFromBytes(binary []byte) (address *Address, _ error) {
a := new(Address) a := new(Address)
if err := a.SetBytes(address); err != nil { if err := a.SetBytes(binary); err != nil {
return nil, err return nil, err
} }
return a, nil return a, nil
} }
// NewAddressFromHex converts a hex string to a address value. // NewAddressFromHex converts a hex string to a address value.
func NewAddressFromHex(address string) (*Address, error) { func NewAddressFromHex(hex string) (address *Address, _ error) {
a := new(Address) a := new(Address)
if err := a.SetHex(address); err != nil { if err := a.SetHex(hex); err != nil {
return nil, err return nil, err
} }
return a, nil return a, nil
@ -170,7 +170,7 @@ func (a *Addresses) Size() int {
} }
// Get returns the address at the given index from the slice. // Get returns the address at the given index from the slice.
func (a *Addresses) Get(index int) (*Address, error) { func (a *Addresses) Get(index int) (address *Address, _ error) {
if index < 0 || index >= len(a.addresses) { if index < 0 || index >= len(a.addresses) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }

4
mobile/discover.go
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@ -53,7 +53,7 @@ type Enode struct {
// and UDP discovery port 30301. // 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) { func NewEnode(rawurl string) (enode *Enode, _ error) {
node, err := discv5.ParseNode(rawurl) node, err := discv5.ParseNode(rawurl)
if err != nil { if err != nil {
return nil, err return nil, err
@ -82,7 +82,7 @@ func (e *Enodes) Size() int {
} }
// Get returns the enode at the given index from the slice. // Get returns the enode at the given index from the slice.
func (e *Enodes) Get(index int) (*Enode, error) { func (e *Enodes) Get(index int) (enode *Enode, _ error) {
if index < 0 || index >= len(e.nodes) { if index < 0 || index >= len(e.nodes) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }

4
mobile/doc.go
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@ -51,6 +51,10 @@
// should not be provided to limit the remote code complexity. Arrays should be // should not be provided to limit the remote code complexity. Arrays should be
// avoided as much as possible since they complicate bounds checking. // avoided as much as possible since they complicate bounds checking.
// //
// If a method has multiple return values (e.g. some return + an error), those
// are generated as output arguments in ObjC. To avoid weird generated names like
// ret_0 for them, please always assign names to output variables if tuples.
//
// Note, a panic *cannot* cross over language boundaries, instead will result in // Note, a panic *cannot* cross over language boundaries, instead will result in
// an undebuggable SEGFAULT in the process. For error handling only ever use error // an undebuggable SEGFAULT in the process. For error handling only ever use error
// returns, which may be the only or the second return. // returns, which may be the only or the second return.

156
mobile/ethclient.go
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@ -32,80 +32,80 @@ type EthereumClient struct {
} }
// NewEthereumClient connects a client to the given URL. // NewEthereumClient connects a client to the given URL.
func NewEthereumClient(rawurl string) (*EthereumClient, error) { func NewEthereumClient(rawurl string) (client *EthereumClient, _ error) {
client, err := ethclient.Dial(rawurl) rawClient, err := ethclient.Dial(rawurl)
return &EthereumClient{client}, err return &EthereumClient{rawClient}, err
} }
// GetBlockByHash returns the given full block. // GetBlockByHash returns the given full block.
func (ec *EthereumClient) GetBlockByHash(ctx *Context, hash *Hash) (*Block, error) { func (ec *EthereumClient) GetBlockByHash(ctx *Context, hash *Hash) (block *Block, _ error) {
block, err := ec.client.BlockByHash(ctx.context, hash.hash) rawBlock, err := ec.client.BlockByHash(ctx.context, hash.hash)
return &Block{block}, err return &Block{rawBlock}, err
} }
// GetBlockByNumber returns a block from the current canonical chain. If number is <0, the // GetBlockByNumber returns a block from the current canonical chain. If number is <0, the
// latest known block is returned. // latest known block is returned.
func (ec *EthereumClient) GetBlockByNumber(ctx *Context, number int64) (*Block, error) { func (ec *EthereumClient) GetBlockByNumber(ctx *Context, number int64) (block *Block, _ error) {
if number < 0 { if number < 0 {
block, err := ec.client.BlockByNumber(ctx.context, nil) rawBlock, err := ec.client.BlockByNumber(ctx.context, nil)
return &Block{block}, err return &Block{rawBlock}, err
} }
block, err := ec.client.BlockByNumber(ctx.context, big.NewInt(number)) rawBlock, err := ec.client.BlockByNumber(ctx.context, big.NewInt(number))
return &Block{block}, err return &Block{rawBlock}, err
} }
// GetHeaderByHash returns the block header with the given hash. // GetHeaderByHash returns the block header with the given hash.
func (ec *EthereumClient) GetHeaderByHash(ctx *Context, hash *Hash) (*Header, error) { func (ec *EthereumClient) GetHeaderByHash(ctx *Context, hash *Hash) (header *Header, _ error) {
header, err := ec.client.HeaderByHash(ctx.context, hash.hash) rawHeader, err := ec.client.HeaderByHash(ctx.context, hash.hash)
return &Header{header}, err return &Header{rawHeader}, err
} }
// GetHeaderByNumber returns a block header from the current canonical chain. If number is <0, // GetHeaderByNumber returns a block header from the current canonical chain. If number is <0,
// the latest known header is returned. // the latest known header is returned.
func (ec *EthereumClient) GetHeaderByNumber(ctx *Context, number int64) (*Header, error) { func (ec *EthereumClient) GetHeaderByNumber(ctx *Context, number int64) (header *Header, _ error) {
if number < 0 { if number < 0 {
header, err := ec.client.HeaderByNumber(ctx.context, nil) rawHeader, err := ec.client.HeaderByNumber(ctx.context, nil)
return &Header{header}, err return &Header{rawHeader}, err
} }
header, err := ec.client.HeaderByNumber(ctx.context, big.NewInt(number)) rawHeader, err := ec.client.HeaderByNumber(ctx.context, big.NewInt(number))
return &Header{header}, err return &Header{rawHeader}, err
} }
// GetTransactionByHash returns the transaction with the given hash. // GetTransactionByHash returns the transaction with the given hash.
func (ec *EthereumClient) GetTransactionByHash(ctx *Context, hash *Hash) (*Transaction, error) { func (ec *EthereumClient) GetTransactionByHash(ctx *Context, hash *Hash) (tx *Transaction, _ error) {
// TODO(karalabe): handle isPending // TODO(karalabe): handle isPending
tx, _, err := ec.client.TransactionByHash(ctx.context, hash.hash) rawTx, _, err := ec.client.TransactionByHash(ctx.context, hash.hash)
return &Transaction{tx}, err return &Transaction{rawTx}, err
} }
// GetTransactionCount returns the total number of transactions in the given block. // GetTransactionCount returns the total number of transactions in the given block.
func (ec *EthereumClient) GetTransactionCount(ctx *Context, hash *Hash) (int, error) { func (ec *EthereumClient) GetTransactionCount(ctx *Context, hash *Hash) (count int, _ error) {
count, err := ec.client.TransactionCount(ctx.context, hash.hash) rawCount, err := ec.client.TransactionCount(ctx.context, hash.hash)
return int(count), err return int(rawCount), err
} }
// GetTransactionInBlock returns a single transaction at index in the given block. // GetTransactionInBlock returns a single transaction at index in the given block.
func (ec *EthereumClient) GetTransactionInBlock(ctx *Context, hash *Hash, index int) (*Transaction, error) { func (ec *EthereumClient) GetTransactionInBlock(ctx *Context, hash *Hash, index int) (tx *Transaction, _ error) {
tx, err := ec.client.TransactionInBlock(ctx.context, hash.hash, uint(index)) rawTx, err := ec.client.TransactionInBlock(ctx.context, hash.hash, uint(index))
return &Transaction{tx}, err return &Transaction{rawTx}, err
} }
// GetTransactionReceipt returns the receipt of a transaction by transaction hash. // GetTransactionReceipt returns the receipt of a transaction by transaction hash.
// Note that the receipt is not available for pending transactions. // Note that the receipt is not available for pending transactions.
func (ec *EthereumClient) GetTransactionReceipt(ctx *Context, hash *Hash) (*Receipt, error) { func (ec *EthereumClient) GetTransactionReceipt(ctx *Context, hash *Hash) (receipt *Receipt, _ error) {
receipt, err := ec.client.TransactionReceipt(ctx.context, hash.hash) rawReceipt, err := ec.client.TransactionReceipt(ctx.context, hash.hash)
return &Receipt{receipt}, err return &Receipt{rawReceipt}, err
} }
// SyncProgress retrieves the current progress of the sync algorithm. If there's // SyncProgress retrieves the current progress of the sync algorithm. If there's
// no sync currently running, it returns nil. // no sync currently running, it returns nil.
func (ec *EthereumClient) SyncProgress(ctx *Context) (*SyncProgress, error) { func (ec *EthereumClient) SyncProgress(ctx *Context) (progress *SyncProgress, _ error) {
progress, err := ec.client.SyncProgress(ctx.context) rawProgress, err := ec.client.SyncProgress(ctx.context)
if progress == nil { if rawProgress == nil {
return nil, err return nil, err
} }
return &SyncProgress{*progress}, err return &SyncProgress{*rawProgress}, err
} }
// NewHeadHandler is a client-side subscription callback to invoke on events and // NewHeadHandler is a client-side subscription callback to invoke on events and
@ -117,10 +117,10 @@ type NewHeadHandler interface {
// SubscribeNewHead subscribes to notifications about the current blockchain head // SubscribeNewHead subscribes to notifications about the current blockchain head
// on the given channel. // on the given channel.
func (ec *EthereumClient) SubscribeNewHead(ctx *Context, handler NewHeadHandler, buffer int) (*Subscription, error) { func (ec *EthereumClient) SubscribeNewHead(ctx *Context, handler NewHeadHandler, buffer int) (sub *Subscription, _ error) {
// Subscribe to the event internally // Subscribe to the event internally
ch := make(chan *types.Header, buffer) ch := make(chan *types.Header, buffer)
sub, err := ec.client.SubscribeNewHead(ctx.context, ch) rawSub, err := ec.client.SubscribeNewHead(ctx.context, ch)
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -131,31 +131,31 @@ func (ec *EthereumClient) SubscribeNewHead(ctx *Context, handler NewHeadHandler,
case header := <-ch: case header := <-ch:
handler.OnNewHead(&Header{header}) handler.OnNewHead(&Header{header})
case err := <-sub.Err(): case err := <-rawSub.Err():
handler.OnError(err.Error()) handler.OnError(err.Error())
return return
} }
} }
}() }()
return &Subscription{sub}, nil return &Subscription{rawSub}, nil
} }
// State Access // State Access
// GetBalanceAt returns the wei balance of the given account. // GetBalanceAt returns the wei balance of the given account.
// The block number can be <0, in which case the balance is taken from the latest known block. // The block number can be <0, in which case the balance is taken from the latest known block.
func (ec *EthereumClient) GetBalanceAt(ctx *Context, account *Address, number int64) (*BigInt, error) { func (ec *EthereumClient) GetBalanceAt(ctx *Context, account *Address, number int64) (balance *BigInt, _ error) {
if number < 0 { if number < 0 {
balance, err := ec.client.BalanceAt(ctx.context, account.address, nil) rawBalance, err := ec.client.BalanceAt(ctx.context, account.address, nil)
return &BigInt{balance}, err return &BigInt{rawBalance}, err
} }
balance, err := ec.client.BalanceAt(ctx.context, account.address, big.NewInt(number)) rawBalance, err := ec.client.BalanceAt(ctx.context, account.address, big.NewInt(number))
return &BigInt{balance}, err return &BigInt{rawBalance}, err
} }
// GetStorageAt returns the value of key in the contract storage of the given account. // GetStorageAt returns the value of key in the contract storage of the given account.
// The block number can be <0, in which case the value is taken from the latest known block. // The block number can be <0, in which case the value is taken from the latest known block.
func (ec *EthereumClient) GetStorageAt(ctx *Context, account *Address, key *Hash, number int64) ([]byte, error) { func (ec *EthereumClient) GetStorageAt(ctx *Context, account *Address, key *Hash, number int64) (storage []byte, _ error) {
if number < 0 { if number < 0 {
return ec.client.StorageAt(ctx.context, account.address, key.hash, nil) return ec.client.StorageAt(ctx.context, account.address, key.hash, nil)
} }
@ -164,7 +164,7 @@ func (ec *EthereumClient) GetStorageAt(ctx *Context, account *Address, key *Hash
// GetCodeAt returns the contract code of the given account. // GetCodeAt returns the contract code of the given account.
// The block number can be <0, in which case the code is taken from the latest known block. // The block number can be <0, in which case the code is taken from the latest known block.
func (ec *EthereumClient) GetCodeAt(ctx *Context, account *Address, number int64) ([]byte, error) { func (ec *EthereumClient) GetCodeAt(ctx *Context, account *Address, number int64) (code []byte, _ error) {
if number < 0 { if number < 0 {
return ec.client.CodeAt(ctx.context, account.address, nil) return ec.client.CodeAt(ctx.context, account.address, nil)
} }
@ -173,26 +173,26 @@ func (ec *EthereumClient) GetCodeAt(ctx *Context, account *Address, number int64
// GetNonceAt returns the account nonce of the given account. // GetNonceAt returns the account nonce of the given account.
// The block number can be <0, in which case the nonce is taken from the latest known block. // The block number can be <0, in which case the nonce is taken from the latest known block.
func (ec *EthereumClient) GetNonceAt(ctx *Context, account *Address, number int64) (int64, error) { func (ec *EthereumClient) GetNonceAt(ctx *Context, account *Address, number int64) (nonce int64, _ error) {
if number < 0 { if number < 0 {
nonce, err := ec.client.NonceAt(ctx.context, account.address, nil) rawNonce, err := ec.client.NonceAt(ctx.context, account.address, nil)
return int64(nonce), err return int64(rawNonce), err
} }
nonce, err := ec.client.NonceAt(ctx.context, account.address, big.NewInt(number)) rawNonce, err := ec.client.NonceAt(ctx.context, account.address, big.NewInt(number))
return int64(nonce), err return int64(rawNonce), err
} }
// Filters // Filters
// FilterLogs executes a filter query. // FilterLogs executes a filter query.
func (ec *EthereumClient) FilterLogs(ctx *Context, query *FilterQuery) (*Logs, error) { func (ec *EthereumClient) FilterLogs(ctx *Context, query *FilterQuery) (logs *Logs, _ error) {
logs, err := ec.client.FilterLogs(ctx.context, query.query) rawLogs, err := ec.client.FilterLogs(ctx.context, query.query)
if err != nil { if err != nil {
return nil, err return nil, err
} }
// Temp hack due to vm.Logs being []*vm.Log // Temp hack due to vm.Logs being []*vm.Log
res := make(vm.Logs, len(logs)) res := make(vm.Logs, len(rawLogs))
for i, log := range logs { for i, log := range rawLogs {
res[i] = &log res[i] = &log
} }
return &Logs{res}, nil return &Logs{res}, nil
@ -206,10 +206,10 @@ type FilterLogsHandler interface {
} }
// SubscribeFilterLogs subscribes to the results of a streaming filter query. // SubscribeFilterLogs subscribes to the results of a streaming filter query.
func (ec *EthereumClient) SubscribeFilterLogs(ctx *Context, query *FilterQuery, handler FilterLogsHandler, buffer int) (*Subscription, error) { func (ec *EthereumClient) SubscribeFilterLogs(ctx *Context, query *FilterQuery, handler FilterLogsHandler, buffer int) (sub *Subscription, _ error) {
// Subscribe to the event internally // Subscribe to the event internally
ch := make(chan vm.Log, buffer) ch := make(chan vm.Log, buffer)
sub, err := ec.client.SubscribeFilterLogs(ctx.context, query.query, ch) rawSub, err := ec.client.SubscribeFilterLogs(ctx.context, query.query, ch)
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -220,44 +220,44 @@ func (ec *EthereumClient) SubscribeFilterLogs(ctx *Context, query *FilterQuery,
case log := <-ch: case log := <-ch:
handler.OnFilterLogs(&Log{&log}) handler.OnFilterLogs(&Log{&log})
case err := <-sub.Err(): case err := <-rawSub.Err():
handler.OnError(err.Error()) handler.OnError(err.Error())
return return
} }
} }
}() }()
return &Subscription{sub}, nil return &Subscription{rawSub}, nil
} }
// Pending State // Pending State
// GetPendingBalanceAt returns the wei balance of the given account in the pending state. // GetPendingBalanceAt returns the wei balance of the given account in the pending state.
func (ec *EthereumClient) GetPendingBalanceAt(ctx *Context, account *Address) (*BigInt, error) { func (ec *EthereumClient) GetPendingBalanceAt(ctx *Context, account *Address) (balance *BigInt, _ error) {
balance, err := ec.client.PendingBalanceAt(ctx.context, account.address) rawBalance, err := ec.client.PendingBalanceAt(ctx.context, account.address)
return &BigInt{balance}, err return &BigInt{rawBalance}, err
} }
// GetPendingStorageAt returns the value of key in the contract storage of the given account in the pending state. // GetPendingStorageAt returns the value of key in the contract storage of the given account in the pending state.
func (ec *EthereumClient) GetPendingStorageAt(ctx *Context, account *Address, key *Hash) ([]byte, error) { func (ec *EthereumClient) GetPendingStorageAt(ctx *Context, account *Address, key *Hash) (storage []byte, _ error) {
return ec.client.PendingStorageAt(ctx.context, account.address, key.hash) return ec.client.PendingStorageAt(ctx.context, account.address, key.hash)
} }
// GetPendingCodeAt returns the contract code of the given account in the pending state. // GetPendingCodeAt returns the contract code of the given account in the pending state.
func (ec *EthereumClient) GetPendingCodeAt(ctx *Context, account *Address) ([]byte, error) { func (ec *EthereumClient) GetPendingCodeAt(ctx *Context, account *Address) (code []byte, _ error) {
return ec.client.PendingCodeAt(ctx.context, account.address) return ec.client.PendingCodeAt(ctx.context, account.address)
} }
// GetPendingNonceAt returns the account nonce of the given account in the pending state. // GetPendingNonceAt returns the account nonce of the given account in the pending state.
// This is the nonce that should be used for the next transaction. // This is the nonce that should be used for the next transaction.
func (ec *EthereumClient) GetPendingNonceAt(ctx *Context, account *Address) (int64, error) { func (ec *EthereumClient) GetPendingNonceAt(ctx *Context, account *Address) (nonce int64, _ error) {
nonce, err := ec.client.PendingNonceAt(ctx.context, account.address) rawNonce, err := ec.client.PendingNonceAt(ctx.context, account.address)
return int64(nonce), err return int64(rawNonce), err
} }
// GetPendingTransactionCount returns the total number of transactions in the pending state. // GetPendingTransactionCount returns the total number of transactions in the pending state.
func (ec *EthereumClient) GetPendingTransactionCount(ctx *Context) (int, error) { func (ec *EthereumClient) GetPendingTransactionCount(ctx *Context) (count int, _ error) {
count, err := ec.client.PendingTransactionCount(ctx.context) rawCount, err := ec.client.PendingTransactionCount(ctx.context)
return int(count), err return int(rawCount), err
} }
// Contract Calling // Contract Calling
@ -268,7 +268,7 @@ func (ec *EthereumClient) GetPendingTransactionCount(ctx *Context) (int, error)
// blockNumber selects the block height at which the call runs. It can be <0, in which // blockNumber selects the block height at which the call runs. It can be <0, in which
// case the code is taken from the latest known block. Note that state from very old // case the code is taken from the latest known block. Note that state from very old
// blocks might not be available. // blocks might not be available.
func (ec *EthereumClient) CallContract(ctx *Context, msg *CallMsg, number int64) ([]byte, error) { func (ec *EthereumClient) CallContract(ctx *Context, msg *CallMsg, number int64) (output []byte, _ error) {
if number < 0 { if number < 0 {
return ec.client.CallContract(ctx.context, msg.msg, nil) return ec.client.CallContract(ctx.context, msg.msg, nil)
} }
@ -277,24 +277,24 @@ func (ec *EthereumClient) CallContract(ctx *Context, msg *CallMsg, number int64)
// PendingCallContract executes a message call transaction using the EVM. // PendingCallContract executes a message call transaction using the EVM.
// The state seen by the contract call is the pending state. // The state seen by the contract call is the pending state.
func (ec *EthereumClient) PendingCallContract(ctx *Context, msg *CallMsg) ([]byte, error) { func (ec *EthereumClient) PendingCallContract(ctx *Context, msg *CallMsg) (output []byte, _ error) {
return ec.client.PendingCallContract(ctx.context, msg.msg) return ec.client.PendingCallContract(ctx.context, msg.msg)
} }
// SuggestGasPrice retrieves the currently suggested gas price to allow a timely // SuggestGasPrice retrieves the currently suggested gas price to allow a timely
// execution of a transaction. // execution of a transaction.
func (ec *EthereumClient) SuggestGasPrice(ctx *Context) (*BigInt, error) { func (ec *EthereumClient) SuggestGasPrice(ctx *Context) (price *BigInt, _ error) {
price, err := ec.client.SuggestGasPrice(ctx.context) rawPrice, err := ec.client.SuggestGasPrice(ctx.context)
return &BigInt{price}, err return &BigInt{rawPrice}, err
} }
// EstimateGas tries to estimate the gas needed to execute a specific transaction based on // EstimateGas tries to estimate the gas needed to execute a specific transaction based on
// the current pending state of the backend blockchain. There is no guarantee that this is // the current pending state of the backend blockchain. There is no guarantee that this is
// the true gas limit requirement as other transactions may be added or removed by miners, // the true gas limit requirement as other transactions may be added or removed by miners,
// but it should provide a basis for setting a reasonable default. // but it should provide a basis for setting a reasonable default.
func (ec *EthereumClient) EstimateGas(ctx *Context, msg *CallMsg) (*BigInt, error) { func (ec *EthereumClient) EstimateGas(ctx *Context, msg *CallMsg) (gas *BigInt, _ error) {
price, err := ec.client.EstimateGas(ctx.context, msg.msg) rawGas, err := ec.client.EstimateGas(ctx.context, msg.msg)
return &BigInt{price}, err return &BigInt{rawGas}, err
} }
// SendTransaction injects a signed transaction into the pending pool for execution. // SendTransaction injects a signed transaction into the pending pool for execution.

2
mobile/ethereum.go
Unescape View File

@ -93,7 +93,7 @@ func (t *Topics) Size() int {
} }
// Get returns the topic list at the given index from the slice. // Get returns the topic list at the given index from the slice.
func (t *Topics) Get(index int) (*Hashes, error) { func (t *Topics) Get(index int) (hashes *Hashes, _ error) {
if index < 0 || index >= len(t.topics) { if index < 0 || index >= len(t.topics) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }

14
mobile/geth.go
Unescape View File

@ -99,7 +99,7 @@ type Node struct {
} }
// NewNode creates and configures a new Geth node. // NewNode creates and configures a new Geth node.
func NewNode(datadir string, config *NodeConfig) (*Node, error) { func NewNode(datadir string, config *NodeConfig) (stack *Node, _ error) {
// If no or partial configurations were specified, use defaults // If no or partial configurations were specified, use defaults
if config == nil { if config == nil {
config = NewNodeConfig() config = NewNodeConfig()
@ -124,7 +124,7 @@ func NewNode(datadir string, config *NodeConfig) (*Node, error) {
NAT: nat.Any(), NAT: nat.Any(),
MaxPeers: config.MaxPeers, MaxPeers: config.MaxPeers,
} }
stack, err := node.New(nodeConf) rawStack, err := node.New(nodeConf)
if err != nil { if err != nil {
return nil, err return nil, err
} }
@ -153,14 +153,14 @@ func NewNode(datadir string, config *NodeConfig) (*Node, error) {
GpobaseStepUp: 100, GpobaseStepUp: 100,
GpobaseCorrectionFactor: 110, GpobaseCorrectionFactor: 110,
} }
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) { if err := rawStack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
return les.New(ctx, ethConf) return les.New(ctx, ethConf)
}); err != nil { }); err != nil {
return nil, fmt.Errorf("ethereum init: %v", err) return nil, fmt.Errorf("ethereum init: %v", err)
} }
// If netstats reporting is requested, do it // If netstats reporting is requested, do it
if config.EthereumNetStats != "" { if config.EthereumNetStats != "" {
if err := stack.Register(func(ctx *node.ServiceContext) (node.Service, error) { if err := rawStack.Register(func(ctx *node.ServiceContext) (node.Service, error) {
var lesServ *les.LightEthereum var lesServ *les.LightEthereum
ctx.Service(&lesServ) ctx.Service(&lesServ)
@ -172,11 +172,11 @@ func NewNode(datadir string, config *NodeConfig) (*Node, error) {
} }
// Register the Whisper protocol if requested // Register the Whisper protocol if requested
if config.WhisperEnabled { if config.WhisperEnabled {
if err := stack.Register(func(*node.ServiceContext) (node.Service, error) { return whisperv2.New(), nil }); err != nil { if err := rawStack.Register(func(*node.ServiceContext) (node.Service, error) { return whisperv2.New(), nil }); err != nil {
return nil, fmt.Errorf("whisper init: %v", err) return nil, fmt.Errorf("whisper init: %v", err)
} }
} }
return &Node{stack}, nil return &Node{rawStack}, nil
} }
// Start creates a live P2P node and starts running it. // Start creates a live P2P node and starts running it.
@ -191,7 +191,7 @@ func (n *Node) Stop() error {
} }
// GetEthereumClient retrieves a client to access the Ethereum subsystem. // GetEthereumClient retrieves a client to access the Ethereum subsystem.
func (n *Node) GetEthereumClient() (*EthereumClient, error) { func (n *Node) GetEthereumClient() (client *EthereumClient, _ error) {
rpc, err := n.node.Attach() rpc, err := n.node.Attach()
if err != nil { if err != nil {
return nil, err return nil, err

2
mobile/interface.go
Unescape View File

@ -131,7 +131,7 @@ func (i *Interfaces) Size() int {
} }
// Get returns the bigint at the given index from the slice. // Get returns the bigint at the given index from the slice.
func (i *Interfaces) Get(index int) (*Interface, error) { func (i *Interfaces) Get(index int) (iface *Interface, _ error) {
if index < 0 || index >= len(i.objects) { if index < 0 || index >= len(i.objects) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }

2
mobile/p2p.go
Unescape View File

@ -66,7 +66,7 @@ func (pi *PeerInfos) Size() int {
} }
// Get returns the peer info at the given index from the slice. // Get returns the peer info at the given index from the slice.
func (pi *PeerInfos) Get(index int) (*PeerInfo, error) { func (pi *PeerInfos) Get(index int) (info *PeerInfo, _ error) {
if index < 0 || index >= len(pi.infos) { if index < 0 || index >= len(pi.infos) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }

2
mobile/primitives.go
Unescape View File

@ -32,7 +32,7 @@ func (s *Strings) Size() int {
} }
// Get returns the string at the given index from the slice. // Get returns the string at the given index from the slice.
func (s *Strings) Get(index int) (string, error) { func (s *Strings) Get(index int) (str string, _ error) {
if index < 0 || index >= len(s.strs) { if index < 0 || index >= len(s.strs) {
return "", errors.New("index out of bounds") return "", errors.New("index out of bounds")
} }

20
mobile/types.go
Unescape View File

@ -89,7 +89,7 @@ func (h *Headers) Size() int {
} }
// Get returns the header at the given index from the slice. // Get returns the header at the given index from the slice.
func (h *Headers) Get(index int) (*Header, error) { func (h *Headers) Get(index int) (header *Header, _ error) {
if index < 0 || index >= len(h.headers) { if index < 0 || index >= len(h.headers) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }
@ -142,7 +142,7 @@ func (tx *Transaction) GetHash() *Hash { return &Hash{tx.tx.Hash()} }
func (tx *Transaction) GetSigHash() *Hash { return &Hash{tx.tx.SigHash(types.HomesteadSigner{})} } func (tx *Transaction) GetSigHash() *Hash { return &Hash{tx.tx.SigHash(types.HomesteadSigner{})} }
func (tx *Transaction) GetCost() *BigInt { return &BigInt{tx.tx.Cost()} } func (tx *Transaction) GetCost() *BigInt { return &BigInt{tx.tx.Cost()} }
func (tx *Transaction) GetFrom() (*Address, error) { func (tx *Transaction) GetFrom() (address *Address, _ error) {
from, err := types.Sender(types.HomesteadSigner{}, tx.tx) from, err := types.Sender(types.HomesteadSigner{}, tx.tx)
return &Address{from}, err return &Address{from}, err
} }
@ -154,25 +154,25 @@ func (tx *Transaction) GetTo() *Address {
return nil return nil
} }
func (tx *Transaction) WithSignature(sig []byte) (*Transaction, error) { func (tx *Transaction) WithSignature(sig []byte) (signedTx *Transaction, _ error) {
t, err := tx.tx.WithSignature(types.HomesteadSigner{}, sig) rawTx, err := tx.tx.WithSignature(types.HomesteadSigner{}, sig)
return &Transaction{t}, err return &Transaction{rawTx}, err
} }
// Transactions represents a slice of transactions. // Transactions represents a slice of transactions.
type Transactions struct{ txs types.Transactions } type Transactions struct{ txs types.Transactions }
// Size returns the number of transactions in the slice. // Size returns the number of transactions in the slice.
func (t *Transactions) Size() int { func (txs *Transactions) Size() int {
return len(t.txs) return len(txs.txs)
} }
// Get returns the transaction at the given index from the slice. // Get returns the transaction at the given index from the slice.
func (t *Transactions) Get(index int) (*Transaction, error) { func (txs *Transactions) Get(index int) (tx *Transaction, _ error) {
if index < 0 || index >= len(t.txs) { if index < 0 || index >= len(txs.txs) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }
return &Transaction{t.txs[index]}, nil return &Transaction{txs.txs[index]}, nil
} }
// Receipt represents the results of a transaction. // Receipt represents the results of a transaction.

2
mobile/vm.go
Unescape View File

@ -48,7 +48,7 @@ func (l *Logs) Size() int {
} }
// Get returns the log at the given index from the slice. // Get returns the log at the given index from the slice.
func (l *Logs) Get(index int) (*Log, error) { func (l *Logs) Get(index int) (log *Log, _ error) {
if index < 0 || index >= len(l.logs) { if index < 0 || index >= len(l.logs) {
return nil, errors.New("index out of bounds") return nil, errors.New("index out of bounds")
} }

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