forked from cerc-io/plugeth
Updates for consensus engine injection
This commit is contained in:
Austin Roberts
parent
fc577b80aa
commit
9aba661554
@ -212,7 +212,11 @@ type Config struct {
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// CreateConsensusEngine creates a consensus engine for the given chain configuration.
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func CreateConsensusEngine(stack *node.Node, ethashConfig *ethash.Config, cliqueConfig *params.CliqueConfig, notify []string, noverify bool, db ethdb.Database) consensus.Engine {
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// If proof-of-authority is requested, set it up
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if engine := pluginGetEngine(stack, notify, noverify, db); engine != nil {
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return engine
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}
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var engine consensus.Engine
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if cliqueConfig != nil {
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engine = clique.New(cliqueConfig, db)
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} else {
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456
plugins/wrappers/engine/enginewrapper.go
Normal file
456
plugins/wrappers/engine/enginewrapper.go
Normal file
@ -0,0 +1,456 @@
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package engine
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import (
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"fmt"
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"math/big"
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"reflect"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/state"
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// "github.com/ethereum/go-ethereum/trie"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/plugins/wrappers"
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"github.com/openrelayxyz/plugeth-utils/core"
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ptypes "github.com/openrelayxyz/plugeth-utils/restricted/types"
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pconsensus "github.com/openrelayxyz/plugeth-utils/restricted/consensus"
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pparams "github.com/openrelayxyz/plugeth-utils/restricted/params"
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)
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func gethToUtilsHeader(header *types.Header) *ptypes.Header {
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if header == nil { return nil }
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return &ptypes.Header{
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ParentHash: core.Hash(header.ParentHash),
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UncleHash: core.Hash(header.UncleHash),
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Coinbase: core.Address(header.Coinbase),
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Root: core.Hash(header.Root),
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TxHash: core.Hash(header.TxHash),
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ReceiptHash: core.Hash(header.ReceiptHash),
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Bloom: ptypes.Bloom(header.Bloom),
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Difficulty: header.Difficulty,
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Number: header.Number,
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GasLimit: header.GasLimit,
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GasUsed: header.GasUsed,
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Time: header.Time,
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Extra: header.Extra,
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MixDigest: core.Hash(header.MixDigest),
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Nonce: ptypes.BlockNonce(header.Nonce),
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BaseFee: header.BaseFee,
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WithdrawalsHash: (*core.Hash)(header.WithdrawalsHash),
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}
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}
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func utilsToGethHeader(header *ptypes.Header) *types.Header {
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if header == nil { return nil }
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return &types.Header{
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ParentHash: common.Hash(header.ParentHash),
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UncleHash: common.Hash(header.UncleHash),
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Coinbase: common.Address(header.Coinbase),
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Root: common.Hash(header.Root),
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TxHash: common.Hash(header.TxHash),
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ReceiptHash: common.Hash(header.ReceiptHash),
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Bloom: types.Bloom(header.Bloom),
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Difficulty: header.Difficulty,
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Number: header.Number,
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GasLimit: header.GasLimit,
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GasUsed: header.GasUsed,
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Time: header.Time,
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Extra: header.Extra,
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MixDigest: common.Hash(header.MixDigest),
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Nonce: types.BlockNonce(header.Nonce),
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BaseFee: header.BaseFee,
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WithdrawalsHash: (*common.Hash)(header.WithdrawalsHash),
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}
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}
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func gethToUtilsTransactions(transactions []*types.Transaction) []*ptypes.Transaction {
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if transactions == nil { return nil }
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txs := make([]*ptypes.Transaction, len(transactions))
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for i, tx := range transactions {
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bin, err := tx.MarshalBinary()
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if err != nil { panic (err) }
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txs[i] = &ptypes.Transaction{}
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txs[i].UnmarshalBinary(bin)
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}
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return txs
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}
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func gethToUtilsHeaders(headers []*types.Header) []*ptypes.Header {
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if headers == nil { return nil }
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pheaders := make([]*ptypes.Header, len(headers))
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for i, header := range headers {
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pheaders[i] = gethToUtilsHeader(header)
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}
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return pheaders
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}
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func gethToUtilsReceipts(receipts []*types.Receipt) []*ptypes.Receipt {
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if receipts == nil { return nil }
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preceipts := make([]*ptypes.Receipt, len(receipts))
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for i, receipt := range receipts {
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preceipts[i] = &ptypes.Receipt{
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Type: receipt.Type,
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PostState: receipt.PostState,
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Status: receipt.Status,
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CumulativeGasUsed: receipt.CumulativeGasUsed,
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Bloom: ptypes.Bloom(receipt.Bloom),
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Logs: gethToUtilsLogs(receipt.Logs),
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TxHash: core.Hash(receipt.TxHash),
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ContractAddress: core.Address(receipt.ContractAddress),
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GasUsed: receipt.GasUsed,
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BlockHash: core.Hash(receipt.BlockHash),
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BlockNumber: receipt.BlockNumber,
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TransactionIndex: receipt.TransactionIndex,
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}
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}
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return preceipts
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}
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func gethToUtilsWithdrawals(withdrawals []*types.Withdrawal) []*ptypes.Withdrawal {
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if withdrawals == nil { return nil }
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pwithdrawals := make([]*ptypes.Withdrawal, len(withdrawals))
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for i, withdrawal := range withdrawals {
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pwithdrawals[i] = &ptypes.Withdrawal{
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Index: withdrawal.Index,
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Validator: withdrawal.Validator,
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Address: core.Address(withdrawal.Address),
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Amount: withdrawal.Amount,
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}
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}
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return pwithdrawals
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}
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func gethToUtilsBlock(block *types.Block) *ptypes.Block {
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if block == nil { return nil }
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return ptypes.NewBlockWithHeader(gethToUtilsHeader(block.Header())).WithBody(gethToUtilsTransactions(block.Transactions()), gethToUtilsHeaders(block.Uncles())).WithWithdrawals(gethToUtilsWithdrawals(block.Withdrawals()))
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// NewBlockWithWithdrawals(
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// gethToUtilsHeader(block.Header()),
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// gethToUtilsTransactions(block.Transactions()),
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// gethToUtilsHeaders(block.Uncles()),
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// gethToUtilsReceipts(block.Receipts()),
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// gethToUtilsWithdrawals(block.Withdrawals()),
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// &hasherWrapper{trie.NewStackTrie(nil)},
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// )
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}
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func utilsToGethBlock(block *ptypes.Block) *types.Block {
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if block == nil { return nil }
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return types.NewBlockWithHeader(utilsToGethHeader(block.Header())).WithBody(utilsToGethTransactions(block.Transactions()), utilsToGethHeaders(block.Uncles())).WithWithdrawals(utilsToGethWithdrawals(block.Withdrawals()))
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// return types.NewBlockWithWithdrawals(
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// utilsToGethHeader(block.Header()),
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// utilsToGethTransactions(block.Transactions()),
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// utilsToGethHeaders(block.Uncles()),
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// utilsToGethReceipts(block.Receipts()),
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// utilsToGethWithdrawals(block.Withdrawals()),
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// trie.NewStackTrie(nil),
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// )
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}
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func utilsToGethHeaders(headers []*ptypes.Header) []*types.Header {
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if headers == nil { return nil }
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pheaders := make([]*types.Header, len(headers))
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for i, header := range headers {
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pheaders[i] = utilsToGethHeader(header)
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}
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return pheaders
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}
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func utilsToGethTransactions(transactions []*ptypes.Transaction) []*types.Transaction {
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if transactions == nil { return nil }
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txs := make([]*types.Transaction, len(transactions))
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for i, tx := range transactions {
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bin, err := tx.MarshalBinary()
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if err != nil { panic (err) }
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txs[i] = &types.Transaction{}
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txs[i].UnmarshalBinary(bin)
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}
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return txs
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}
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// func utilsToGethReceipts(receipts []*ptypes.Receipt) []*types.Receipt {
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// if receipts == nil { return nil }
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// preceipts := make([]*types.Receipt, len(receipts))
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// for i, receipt := range receipts {
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// preceipts[i] = &types.Receipt{
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// Type: receipt.Type,
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// PostState: receipt.PostState,
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// Status: receipt.Status,
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// CumulativeGasUsed: receipt.CumulativeGasUsed,
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// Bloom: types.Bloom(receipt.Bloom),
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// Logs: utilsToGethLogs(receipt.Logs),
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// TxHash: common.Hash(receipt.TxHash),
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// ContractAddress: common.Address(receipt.ContractAddress),
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// GasUsed: receipt.GasUsed,
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// BlockHash: common.Hash(receipt.BlockHash),
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// BlockNumber: receipt.BlockNumber,
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// TransactionIndex: receipt.TransactionIndex,
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// }
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// }
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// return preceipts
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// }
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func utilsToGethWithdrawals(withdrawals []*ptypes.Withdrawal) []*types.Withdrawal {
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if withdrawals == nil { return nil }
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pwithdrawals := make([]*types.Withdrawal, len(withdrawals))
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for i, withdrawal := range withdrawals {
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pwithdrawals[i] = &types.Withdrawal{
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Index: withdrawal.Index,
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Validator: withdrawal.Validator,
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Address: common.Address(withdrawal.Address),
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Amount: withdrawal.Amount,
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}
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}
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return pwithdrawals
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}
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func gethToUtilsBlockChan(ch chan<- *types.Block) chan<- *ptypes.Block {
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pchan := make(chan *ptypes.Block)
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go func() {
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for block := range pchan {
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ch <- utilsToGethBlock(block)
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}
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close(ch)
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}()
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return pchan
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}
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func gethToUtilsLog(logRecord *types.Log) *ptypes.Log {
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if logRecord == nil { return nil }
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topics := make([]core.Hash, len(logRecord.Topics))
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for i, t := range logRecord.Topics {
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topics[i] = core.Hash(t)
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}
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return &ptypes.Log{
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Address: core.Address(logRecord.Address),
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Topics: topics,
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Data: logRecord.Data,
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BlockNumber: logRecord.BlockNumber,
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TxHash: core.Hash(logRecord.TxHash),
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TxIndex: logRecord.TxIndex,
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BlockHash: core.Hash(logRecord.BlockHash),
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Index: logRecord.Index,
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Removed: logRecord.Removed,
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}
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}
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func utilsToGethLog(logRecord *ptypes.Log) *types.Log {
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if logRecord == nil { return nil }
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topics := make([]common.Hash, len(logRecord.Topics))
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for i, t := range logRecord.Topics {
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topics[i] = common.Hash(t)
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}
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return &types.Log{
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Address: common.Address(logRecord.Address),
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Topics: topics,
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Data: logRecord.Data,
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BlockNumber: logRecord.BlockNumber,
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TxHash: common.Hash(logRecord.TxHash),
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TxIndex: logRecord.TxIndex,
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BlockHash: common.Hash(logRecord.BlockHash),
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Index: logRecord.Index,
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Removed: logRecord.Removed,
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}
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}
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func gethToUtilsLogs(logs []*types.Log) []*ptypes.Log {
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result := make([]*ptypes.Log, len(logs))
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for i, logRecord := range logs {
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result[i] = gethToUtilsLog(logRecord)
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}
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return result
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}
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func utilsToGethLogs(logs []*ptypes.Log) []*types.Log {
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result := make([]*types.Log, len(logs))
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for i, logRecord := range logs {
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result[i] = utilsToGethLog(logRecord)
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}
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return result
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}
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func convertAndSet(a, b reflect.Value) (err error) {
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defer func() {
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if recover() != nil {
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fmt.Errorf("error converting: %v", err.Error())
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}
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}()
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a.Set(b.Convert(a.Type()))
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return nil
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}
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func gethToUtilsConfig(gcfg *params.ChainConfig) *pparams.ChainConfig {
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cfg := &pparams.ChainConfig{}
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nval := reflect.ValueOf(gcfg)
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ntype := nval.Elem().Type()
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lval := reflect.ValueOf(cfg)
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for i := 0; i < nval.Elem().NumField(); i++ {
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field := ntype.Field(i)
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v := nval.Elem().FieldByName(field.Name)
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lv := lval.Elem().FieldByName(field.Name)
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log.Info("Checking value for", "field", field.Name)
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if lv.Kind() != reflect.Invalid {
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// If core.ChainConfig doesn't have this field, skip it.
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if v.Type() == lv.Type() && lv.CanSet() {
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lv.Set(v)
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} else {
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convertAndSet(lv, v)
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}
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}
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}
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return cfg
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}
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type WrappedHeaderReader struct {
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chr consensus.ChainHeaderReader
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cfg *pparams.ChainConfig
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}
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func (whr *WrappedHeaderReader) Config() *pparams.ChainConfig {
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if whr.cfg == nil {
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whr.cfg = gethToUtilsConfig(whr.chr.Config())
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}
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return whr.cfg
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}
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// CurrentHeader retrieves the current header from the local chain.
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func (whr *WrappedHeaderReader) CurrentHeader() *ptypes.Header {
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return gethToUtilsHeader(whr.chr.CurrentHeader())
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}
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// GetHeader retrieves a block header from the database by hash and number.
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func (whr *WrappedHeaderReader) GetHeader(hash core.Hash, number uint64) *ptypes.Header {
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return gethToUtilsHeader(whr.chr.GetHeader(common.Hash(hash), number))
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}
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// GetHeaderByNumber retrieves a block header from the database by number.
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func (whr *WrappedHeaderReader) GetHeaderByNumber(number uint64) *ptypes.Header {
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return gethToUtilsHeader(whr.chr.GetHeaderByNumber(number))
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}
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// GetHeaderByHash retrieves a block header from the database by its hash.
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func (whr *WrappedHeaderReader) GetHeaderByHash(hash core.Hash) *ptypes.Header {
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return gethToUtilsHeader(whr.chr.GetHeaderByHash(common.Hash(hash)))
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}
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// GetTd retrieves the total difficulty from the database by hash and number.
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func (whr *WrappedHeaderReader) GetTd(hash core.Hash, number uint64) *big.Int {
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return whr.chr.GetTd(common.Hash(hash), number)
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}
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type WrappedChainReader struct {
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chr consensus.ChainReader
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cfg *pparams.ChainConfig
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}
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func (whr *WrappedChainReader) Config() *pparams.ChainConfig {
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// We're using the reflect library to copy data from params.ChainConfig to
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// pparams.ChainConfig, so this function shouldn't need to be touched for
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// simple changes to ChainConfig (though pparams.ChainConfig may need to be
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// updated). Note that this probably won't carry over consensus engine data.
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if whr.cfg == nil {
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whr.cfg = gethToUtilsConfig(whr.chr.Config())
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}
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return whr.cfg
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}
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// CurrentHeader retrieves the current header from the local chain.
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func (whr *WrappedChainReader) CurrentHeader() *ptypes.Header {
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return gethToUtilsHeader(whr.chr.CurrentHeader())
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}
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// GetHeader retrieves a block header from the database by hash and number.
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func (whr *WrappedChainReader) GetHeader(hash core.Hash, number uint64) *ptypes.Header {
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return gethToUtilsHeader(whr.chr.GetHeader(common.Hash(hash), number))
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}
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// GetHeaderByNumber retrieves a block header from the database by number.
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func (whr *WrappedChainReader) GetHeaderByNumber(number uint64) *ptypes.Header {
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return gethToUtilsHeader(whr.chr.GetHeaderByNumber(number))
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}
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// GetHeaderByHash retrieves a block header from the database by its hash.
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func (whr *WrappedChainReader) GetHeaderByHash(hash core.Hash) *ptypes.Header {
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return gethToUtilsHeader(whr.chr.GetHeaderByHash(common.Hash(hash)))
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}
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// GetTd retrieves the total difficulty from the database by hash and number.
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func (whr *WrappedChainReader) GetTd(hash core.Hash, number uint64) *big.Int {
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return whr.chr.GetTd(common.Hash(hash), number)
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}
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func (whr *WrappedChainReader) GetBlock(hash core.Hash, number uint64) *ptypes.Block {
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return gethToUtilsBlock(whr.chr.GetBlock(common.Hash(hash), number))
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}
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type hasherWrapper struct {
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th types.TrieHasher
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}
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func (hw *hasherWrapper) Reset() {
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hw.th.Reset()
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}
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func (hw *hasherWrapper) Update(a, b []byte) {
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hw.th.Update(a, b)
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}
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func (hw *hasherWrapper) Hash() core.Hash {
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return core.Hash(hw.th.Hash())
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}
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type engineWrapper struct {
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engine pconsensus.Engine
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}
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func (ew *engineWrapper) Author(header *types.Header) (core.Address, error) {
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addr, err := ew.engine.Author(gethToUtilsHeader(header))
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return core.Address(addr), err
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}
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func (ew *engineWrapper) VerifyHeader(chain consensus.ChainHeaderReader, header *types.Header, seal bool) error {
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return ew.engine.VerifyHeader(&WrappedHeaderReader{chain, nil}, gethToUtilsHeader(header), seal)
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}
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func (ew *engineWrapper) VerifyHeaders(chain consensus.ChainHeaderReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
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pheaders := make([]*ptypes.Header, len(headers))
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for i, header := range headers {
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pheaders[i] = gethToUtilsHeader(header)
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}
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return ew.engine.VerifyHeaders(&WrappedHeaderReader{chain, nil}, pheaders, seals)
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}
|
||||
func (ew *engineWrapper) VerifyUncles(chain consensus.ChainReader, block *types.Block) error {
|
||||
return ew.engine.VerifyUncles(&WrappedChainReader{chain, nil}, gethToUtilsBlock(block))
|
||||
}
|
||||
func (ew *engineWrapper) Prepare(chain consensus.ChainHeaderReader, header *types.Header) error {
|
||||
return ew.engine.Prepare(&WrappedHeaderReader{chain, nil}, gethToUtilsHeader(header))
|
||||
}
|
||||
func (ew *engineWrapper) Finalize(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, withdrawals []*types.Withdrawal) {
|
||||
ew.engine.Finalize(&WrappedHeaderReader{chain, nil}, gethToUtilsHeader(header), wrappers.NewWrappedStateDB(state), gethToUtilsTransactions(txs), gethToUtilsHeaders(uncles), gethToUtilsWithdrawals(withdrawals))
|
||||
}
|
||||
func (ew *engineWrapper) FinalizeAndAssemble(chain consensus.ChainHeaderReader, header *types.Header, state *state.StateDB, txs []*types.Transaction, uncles []*types.Header, receipts []*types.Receipt, withdrawals []*types.Withdrawal) (*types.Block, error) {
|
||||
block, err := ew.engine.FinalizeAndAssemble(&WrappedHeaderReader{chain, nil}, gethToUtilsHeader(header), wrappers.NewWrappedStateDB(state), gethToUtilsTransactions(txs), gethToUtilsHeaders(uncles), gethToUtilsReceipts(receipts), gethToUtilsWithdrawals(withdrawals))
|
||||
return utilsToGethBlock(block), err
|
||||
}
|
||||
func (ew *engineWrapper) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
|
||||
return ew.engine.Seal(&WrappedHeaderReader{chain, nil}, gethToUtilsBlock(block), gethToUtilsBlockChan(results), stop)
|
||||
}
|
||||
func (ew *engineWrapper) SealHash(header *types.Header) common.Hash {
|
||||
return common.Hash(ew.engine.SealHash(gethToUtilsHeader(header)))
|
||||
}
|
||||
func (ew *engineWrapper) CalcDifficulty(chain consensus.ChainHeaderReader, time uint64, parent *types.Header) *big.Int {
|
||||
return ew.engine.CalcDifficulty(&WrappedHeaderReader{chain, nil}, time, gethToUtilsHeader(parent))
|
||||
}
|
||||
func (ew *engineWrapper) APIs(chain consensus.ChainHeaderReader) []rpc.API {
|
||||
papis := ew.engine.APIs(&WrappedHeaderReader{chain, nil})
|
||||
apis := make([]rpc.API, len(papis))
|
||||
for i, api := range papis {
|
||||
apis[i] = rpc.API{
|
||||
Namespace: api.Namespace,
|
||||
Version: api.Version,
|
||||
Service: api.Service,
|
||||
Public: api.Public,
|
||||
}
|
||||
}
|
||||
return apis
|
||||
}
|
||||
func (ew *engineWrapper) Close() error {
|
||||
return ew.engine.Close()
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user