From 953a99511631a015252da6819f4acdd9dd5efbf4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= Date: Thu, 11 May 2017 00:18:35 +0300 Subject: [PATCH] mobile: add toString & rlp/json encoding for protocol types --- mobile/types.go | 162 +++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 159 insertions(+), 3 deletions(-) diff --git a/mobile/types.go b/mobile/types.go index a9c8cf68c6..7900e72870 100644 --- a/mobile/types.go +++ b/mobile/types.go @@ -19,10 +19,12 @@ package geth import ( + "encoding/json" "errors" "fmt" "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/rlp" ) // A Nonce is a 64-bit hash which proves (combined with the mix-hash) that @@ -61,6 +63,45 @@ type Header struct { header *types.Header } +// NewHeaderFromRLP parses a header from an RLP data dump. +func NewHeaderFromRLP(data []byte) (*Header, error) { + h := &Header{ + header: new(types.Header), + } + if err := rlp.DecodeBytes(data, h.header); err != nil { + return nil, err + } + return h, nil +} + +// EncodeRLP encodes a header into an RLP data dump. +func (h *Header) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(h.header) +} + +// NewHeaderFromJSON parses a header from an JSON data dump. +func NewHeaderFromJSON(data string) (*Header, error) { + h := &Header{ + header: new(types.Header), + } + if err := json.Unmarshal([]byte(data), h.header); err != nil { + return nil, err + } + return h, nil +} + +// EncodeJSON encodes a header into an JSON data dump. +func (h *Header) EncodeJSON() (string, error) { + data, err := json.Marshal(h.header) + return string(data), err +} + +// String implements the fmt.Stringer interface to print some semi-meaningful +// data dump of the header for debugging purposes. +func (h *Header) String() string { + return h.header.String() +} + func (h *Header) GetParentHash() *Hash { return &Hash{h.header.ParentHash} } func (h *Header) GetUncleHash() *Hash { return &Hash{h.header.UncleHash} } func (h *Header) GetCoinbase() *Address { return &Address{h.header.Coinbase} } @@ -76,9 +117,7 @@ func (h *Header) GetTime() int64 { return h.header.Time.Int64() } func (h *Header) GetExtra() []byte { return h.header.Extra } func (h *Header) GetMixDigest() *Hash { return &Hash{h.header.MixDigest} } func (h *Header) GetNonce() *Nonce { return &Nonce{h.header.Nonce} } - -func (h *Header) GetHash() *Hash { return &Hash{h.header.Hash()} } -func (h *Header) GetHashNoNonce() *Hash { return &Hash{h.header.HashNoNonce()} } +func (h *Header) GetHash() *Hash { return &Hash{h.header.Hash()} } // Headers represents a slice of headers. type Headers struct{ headers []*types.Header } @@ -101,6 +140,45 @@ type Block struct { block *types.Block } +// NewBlockFromRLP parses a block from an RLP data dump. +func NewBlockFromRLP(data []byte) (*Block, error) { + b := &Block{ + block: new(types.Block), + } + if err := rlp.DecodeBytes(data, b.block); err != nil { + return nil, err + } + return b, nil +} + +// EncodeRLP encodes a block into an RLP data dump. +func (b *Block) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(b.block) +} + +// NewBlockFromJSON parses a block from an JSON data dump. +func NewBlockFromJSON(data string) (*Block, error) { + b := &Block{ + block: new(types.Block), + } + if err := json.Unmarshal([]byte(data), b.block); err != nil { + return nil, err + } + return b, nil +} + +// EncodeJSON encodes a block into an JSON data dump. +func (b *Block) EncodeJSON() (string, error) { + data, err := json.Marshal(b.block) + return string(data), err +} + +// String implements the fmt.Stringer interface to print some semi-meaningful +// data dump of the block for debugging purposes. +func (b *Block) String() string { + return b.block.String() +} + func (b *Block) GetParentHash() *Hash { return &Hash{b.block.ParentHash()} } func (b *Block) GetUncleHash() *Hash { return &Hash{b.block.UncleHash()} } func (b *Block) GetCoinbase() *Address { return &Address{b.block.Coinbase()} } @@ -137,6 +215,45 @@ func NewTransaction(nonce int64, to *Address, amount, gasLimit, gasPrice *BigInt return &Transaction{types.NewTransaction(uint64(nonce), to.address, amount.bigint, gasLimit.bigint, gasPrice.bigint, data)} } +// NewTransactionFromRLP parses a transaction from an RLP data dump. +func NewTransactionFromRLP(data []byte) (*Transaction, error) { + tx := &Transaction{ + tx: new(types.Transaction), + } + if err := rlp.DecodeBytes(data, tx.tx); err != nil { + return nil, err + } + return tx, nil +} + +// EncodeRLP encodes a transaction into an RLP data dump. +func (tx *Transaction) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(tx.tx) +} + +// NewTransactionFromJSON parses a transaction from an JSON data dump. +func NewTransactionFromJSON(data string) (*Transaction, error) { + tx := &Transaction{ + tx: new(types.Transaction), + } + if err := json.Unmarshal([]byte(data), tx.tx); err != nil { + return nil, err + } + return tx, nil +} + +// EncodeJSON encodes a transaction into an JSON data dump. +func (tx *Transaction) EncodeJSON() (string, error) { + data, err := json.Marshal(tx.tx) + return string(data), err +} + +// String implements the fmt.Stringer interface to print some semi-meaningful +// data dump of the transaction for debugging purposes. +func (tx *Transaction) String() string { + return tx.tx.String() +} + func (tx *Transaction) GetData() []byte { return tx.tx.Data() } func (tx *Transaction) GetGas() int64 { return tx.tx.Gas().Int64() } func (tx *Transaction) GetGasPrice() *BigInt { return &BigInt{tx.tx.GasPrice()} } @@ -185,6 +302,45 @@ type Receipt struct { receipt *types.Receipt } +// NewReceiptFromRLP parses a transaction receipt from an RLP data dump. +func NewReceiptFromRLP(data []byte) (*Receipt, error) { + r := &Receipt{ + receipt: new(types.Receipt), + } + if err := rlp.DecodeBytes(data, r.receipt); err != nil { + return nil, err + } + return r, nil +} + +// EncodeRLP encodes a transaction receipt into an RLP data dump. +func (r *Receipt) EncodeRLP() ([]byte, error) { + return rlp.EncodeToBytes(r.receipt) +} + +// NewReceiptFromJSON parses a transaction receipt from an JSON data dump. +func NewReceiptFromJSON(data string) (*Receipt, error) { + r := &Receipt{ + receipt: new(types.Receipt), + } + if err := json.Unmarshal([]byte(data), r.receipt); err != nil { + return nil, err + } + return r, nil +} + +// EncodeJSON encodes a transaction receipt into an JSON data dump. +func (r *Receipt) EncodeJSON() (string, error) { + data, err := rlp.EncodeToBytes(r.receipt) + return string(data), err +} + +// String implements the fmt.Stringer interface to print some semi-meaningful +// data dump of the transaction receipt for debugging purposes. +func (r *Receipt) String() string { + return r.receipt.String() +} + func (r *Receipt) GetPostState() []byte { return r.receipt.PostState } func (r *Receipt) GetCumulativeGasUsed() *BigInt { return &BigInt{r.receipt.CumulativeGasUsed} } func (r *Receipt) GetBloom() *Bloom { return &Bloom{r.receipt.Bloom} }