87 lines
2.7 KiB
Go
87 lines
2.7 KiB
Go
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// 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/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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// Params is used to carry in parameters from subscribing/requesting clients configuration
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type Params struct {
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IntermediateStateNodes bool
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IntermediateStorageNodes bool
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IncludeBlock bool
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IncludeReceipts bool
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IncludeTD bool
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WatchedAddresses []common.Address
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WatchedStorageSlots []common.Hash
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}
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// Args bundles the arguments for the state diff builder
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type Args struct {
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OldStateRoot, NewStateRoot, BlockHash common.Hash
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BlockNumber *big.Int
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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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StateObjectRlp []byte `json:"stateObjectRlp" 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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// StateObject is the final output structure from the builder
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type StateObject struct {
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BlockHash common.Hash `json:"blockHash" gencodec:"required"`
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BlockNumber *big.Int `json:"blockNumber" gencodec:"required"`
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Nodes []StateNode `json:"nodes" gencodec:"required"`
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}
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