109 lines
3.6 KiB
Go
109 lines
3.6 KiB
Go
// Copyright 2019 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 a batch of utility type declarations used by the tests. As the node
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// operates on unique types, a lot of them are needed to check various features.
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package statediff
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import (
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"encoding/json"
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"math/big"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/common"
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)
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// Subscription struct holds our subscription channels
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type Subscription struct {
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PayloadChan chan<- Payload
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QuitChan chan<- bool
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}
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// Payload packages the data to send to statediff subscriptions
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type Payload struct {
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BlockRlp []byte `json:"blockRlp"`
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TotalDifficulty *big.Int `json:"totalDifficulty"`
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ReceiptsRlp []byte `json:"receiptsRlp"`
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StateDiffRlp []byte `json:"stateDiff" gencodec:"required"`
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encoded []byte
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err error
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}
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func (sd *Payload) ensureEncoded() {
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if sd.encoded == nil && sd.err == nil {
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sd.encoded, sd.err = json.Marshal(sd)
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}
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}
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// Length to implement Encoder interface for Payload
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func (sd *Payload) Length() int {
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sd.ensureEncoded()
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return len(sd.encoded)
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}
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// Encode to implement Encoder interface for Payload
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func (sd *Payload) Encode() ([]byte, error) {
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sd.ensureEncoded()
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return sd.encoded, sd.err
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}
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// StateDiff is the final output structure from the builder
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type StateDiff struct {
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BlockNumber *big.Int `json:"blockNumber" gencodec:"required"`
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BlockHash common.Hash `json:"blockHash" gencodec:"required"`
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CreatedAccounts []AccountDiff `json:"createdAccounts" gencodec:"required"`
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DeletedAccounts []AccountDiff `json:"deletedAccounts" gencodec:"required"`
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UpdatedAccounts []AccountDiff `json:"updatedAccounts" gencodec:"required"`
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encoded []byte
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err error
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}
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// AccountDiff holds the data for a single state diff node
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type AccountDiff struct {
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Leaf bool `json:"leaf" gencodec:"required"`
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Key []byte `json:"key" gencodec:"required"`
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Value []byte `json:"value" gencodec:"required"`
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Proof [][]byte `json:"proof" gencodec:"required"`
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Path []byte `json:"path" gencodec:"required"`
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Storage []StorageDiff `json:"storage" gencodec:"required"`
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}
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// StorageDiff holds the data for a single storage diff node
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type StorageDiff struct {
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Leaf bool `json:"leaf" gencodec:"required"`
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Key []byte `json:"key" gencodec:"required"`
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Value []byte `json:"value" gencodec:"required"`
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Proof [][]byte `json:"proof" gencodec:"required"`
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Path []byte `json:"path" gencodec:"required"`
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}
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// AccountsMap is a mapping of keccak256(address) => accountWrapper
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type AccountsMap map[common.Hash]accountWrapper
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// AccountWrapper is used to temporary associate the unpacked account with its raw values
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type accountWrapper struct {
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Account *state.Account
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Leaf bool
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RawKey []byte
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RawValue []byte
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Proof [][]byte
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Path []byte
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}
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