2016-09-05 09:07:57 -07:00
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// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Contains all the wrappers from the core/types package.
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package geth
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import (
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"errors"
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"fmt"
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"github.com/ethereum/go-ethereum/core/types"
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)
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// A Nonce is a 64-bit hash which proves (combined with the mix-hash) that
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// a sufficient amount of computation has been carried out on a block.
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type Nonce struct {
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nonce types.BlockNonce
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}
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// GetBytes retrieves the byte representation of the block nonce.
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func (n *Nonce) GetBytes() []byte {
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return n.nonce[:]
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}
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// GetHex retrieves the hex string representation of the block nonce.
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func (n *Nonce) GetHex() string {
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return fmt.Sprintf("0x%x", n.nonce[:])
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}
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// Bloom represents a 256 bit bloom filter.
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type Bloom struct {
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bloom types.Bloom
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}
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// GetBytes retrieves the byte representation of the bloom filter.
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func (b *Bloom) GetBytes() []byte {
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return b.bloom[:]
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}
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// GetHex retrieves the hex string representation of the bloom filter.
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func (b *Bloom) GetHex() string {
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return fmt.Sprintf("0x%x", b.bloom[:])
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}
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// Header represents a block header in the Ethereum blockchain.
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type Header struct {
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header *types.Header
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}
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func (h *Header) GetParentHash() *Hash { return &Hash{h.header.ParentHash} }
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func (h *Header) GetUncleHash() *Hash { return &Hash{h.header.UncleHash} }
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func (h *Header) GetCoinbase() *Address { return &Address{h.header.Coinbase} }
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func (h *Header) GetRoot() *Hash { return &Hash{h.header.Root} }
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func (h *Header) GetTxHash() *Hash { return &Hash{h.header.TxHash} }
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func (h *Header) GetReceiptHash() *Hash { return &Hash{h.header.ReceiptHash} }
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func (h *Header) GetBloom() *Bloom { return &Bloom{h.header.Bloom} }
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func (h *Header) GetDifficulty() *BigInt { return &BigInt{h.header.Difficulty} }
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func (h *Header) GetNumber() int64 { return h.header.Number.Int64() }
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func (h *Header) GetGasLimit() int64 { return h.header.GasLimit.Int64() }
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func (h *Header) GetGasUsed() int64 { return h.header.GasUsed.Int64() }
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func (h *Header) GetTime() int64 { return h.header.Time.Int64() }
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func (h *Header) GetExtra() []byte { return h.header.Extra }
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func (h *Header) GetMixDigest() *Hash { return &Hash{h.header.MixDigest} }
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func (h *Header) GetNonce() *Nonce { return &Nonce{h.header.Nonce} }
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func (h *Header) GetHash() *Hash { return &Hash{h.header.Hash()} }
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func (h *Header) GetHashNoNonce() *Hash { return &Hash{h.header.HashNoNonce()} }
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// Headers represents a slice of headers.
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type Headers struct{ headers []*types.Header }
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// Size returns the number of headers in the slice.
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func (h *Headers) Size() int {
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return len(h.headers)
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}
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// Get returns the header at the given index from the slice.
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func (h *Headers) Get(index int) (*Header, error) {
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if index < 0 || index >= len(h.headers) {
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return nil, errors.New("index out of bounds")
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}
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return &Header{h.headers[index]}, nil
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}
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// Block represents an entire block in the Ethereum blockchain.
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type Block struct {
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block *types.Block
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}
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func (b *Block) GetParentHash() *Hash { return &Hash{b.block.ParentHash()} }
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func (b *Block) GetUncleHash() *Hash { return &Hash{b.block.UncleHash()} }
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func (b *Block) GetCoinbase() *Address { return &Address{b.block.Coinbase()} }
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func (b *Block) GetRoot() *Hash { return &Hash{b.block.Root()} }
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func (b *Block) GetTxHash() *Hash { return &Hash{b.block.TxHash()} }
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func (b *Block) GetReceiptHash() *Hash { return &Hash{b.block.ReceiptHash()} }
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func (b *Block) GetBloom() *Bloom { return &Bloom{b.block.Bloom()} }
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func (b *Block) GetDifficulty() *BigInt { return &BigInt{b.block.Difficulty()} }
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func (b *Block) GetNumber() int64 { return b.block.Number().Int64() }
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func (b *Block) GetGasLimit() int64 { return b.block.GasLimit().Int64() }
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func (b *Block) GetGasUsed() int64 { return b.block.GasUsed().Int64() }
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func (b *Block) GetTime() int64 { return b.block.Time().Int64() }
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func (b *Block) GetExtra() []byte { return b.block.Extra() }
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func (b *Block) GetMixDigest() *Hash { return &Hash{b.block.MixDigest()} }
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func (b *Block) GetNonce() int64 { return int64(b.block.Nonce()) }
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func (b *Block) GetHash() *Hash { return &Hash{b.block.Hash()} }
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func (b *Block) GetHashNoNonce() *Hash { return &Hash{b.block.HashNoNonce()} }
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func (b *Block) GetHeader() *Header { return &Header{b.block.Header()} }
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func (b *Block) GetUncles() *Headers { return &Headers{b.block.Uncles()} }
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func (b *Block) GetTransactions() *Transactions { return &Transactions{b.block.Transactions()} }
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func (b *Block) GetTransaction(hash *Hash) *Transaction {
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return &Transaction{b.block.Transaction(hash.hash)}
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}
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// Transaction represents a single Ethereum transaction.
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type Transaction struct {
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tx *types.Transaction
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}
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func (tx *Transaction) GetData() []byte { return tx.tx.Data() }
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func (tx *Transaction) GetGas() int64 { return tx.tx.Gas().Int64() }
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func (tx *Transaction) GetGasPrice() *BigInt { return &BigInt{tx.tx.GasPrice()} }
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func (tx *Transaction) GetValue() *BigInt { return &BigInt{tx.tx.Value()} }
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func (tx *Transaction) GetNonce() int64 { return int64(tx.tx.Nonce()) }
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func (tx *Transaction) GetHash() *Hash { return &Hash{tx.tx.Hash()} }
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func (tx *Transaction) GetSigHash() *Hash { return &Hash{tx.tx.SigHash(types.HomesteadSigner{})} }
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func (tx *Transaction) GetCost() *BigInt { return &BigInt{tx.tx.Cost()} }
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func (tx *Transaction) GetFrom() (*Address, error) {
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2016-11-14 03:03:29 -08:00
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from, err := types.Sender(types.HomesteadSigner{}, tx.tx)
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2016-09-05 09:07:57 -07:00
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return &Address{from}, err
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}
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func (tx *Transaction) GetTo() *Address {
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if to := tx.tx.To(); to != nil {
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return &Address{*to}
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}
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return nil
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}
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func (tx *Transaction) WithSignature(sig []byte) (*Transaction, error) {
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2016-11-14 03:03:29 -08:00
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t, err := tx.tx.WithSignature(types.HomesteadSigner{}, sig)
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return &Transaction{t}, err
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}
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// Transactions represents a slice of transactions.
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type Transactions struct{ txs types.Transactions }
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// Size returns the number of transactions in the slice.
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func (t *Transactions) Size() int {
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return len(t.txs)
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}
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// Get returns the transaction at the given index from the slice.
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func (t *Transactions) Get(index int) (*Transaction, error) {
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if index < 0 || index >= len(t.txs) {
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return nil, errors.New("index out of bounds")
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}
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return &Transaction{t.txs[index]}, nil
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}
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// Receipt represents the results of a transaction.
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type Receipt struct {
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receipt *types.Receipt
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}
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func (r *Receipt) GetPostState() []byte { return r.receipt.PostState }
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func (r *Receipt) GetCumulativeGasUsed() *BigInt { return &BigInt{r.receipt.CumulativeGasUsed} }
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func (r *Receipt) GetBloom() *Bloom { return &Bloom{r.receipt.Bloom} }
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func (r *Receipt) GetLogs() *Logs { return &Logs{r.receipt.Logs} }
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func (r *Receipt) GetTxHash() *Hash { return &Hash{r.receipt.TxHash} }
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func (r *Receipt) GetContractAddress() *Address { return &Address{r.receipt.ContractAddress} }
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func (r *Receipt) GetGasUsed() *BigInt { return &BigInt{r.receipt.GasUsed} }
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