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eth/gasprice: implement feeHistory API (#23033)

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* eth/gasprice: implement feeHistory API

* eth/gasprice: factored out resolveBlockRange

* eth/gasprice: add sanity check for missing block

* eth/gasprice: fetch actual gas used from receipts

* miner, eth/gasprice: add PendingBlockAndReceipts

* internal/ethapi: use hexutil.Big

* eth/gasprice: return error when requesting beyond head block

* eth/gasprice: fixed tests and return errors correctly

* eth/gasprice: rename receiver name

* eth/gasprice: return directly if blockCount == 0

Co-authored-by: rjl493456442 <garyrong0905@gmail.com>
This commit is contained in:
Felföldi Zsolt
2021-06-28 16:16:32 +02:00
committed by GitHub
parent 1b5582acf7
commit 35dbf7a8a3
13 changed files with 558 additions and 58 deletions
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8
eth/api_backend.go
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@ -133,6 +133,10 @@ func (b *EthAPIBackend) BlockByNumberOrHash(ctx context.Context, blockNrOrHash r
return nil, errors.New("invalid arguments; neither block nor hash specified")
}
func (b *EthAPIBackend) PendingBlockAndReceipts() (*types.Block, types.Receipts) {
return b.eth.miner.PendingBlockAndReceipts()
}
func (b *EthAPIBackend) StateAndHeaderByNumber(ctx context.Context, number rpc.BlockNumber) (*state.StateDB, *types.Header, error) {
// Pending state is only known by the miner
if number == rpc.PendingBlockNumber {
@ -279,6 +283,10 @@ func (b *EthAPIBackend) SuggestGasTipCap(ctx context.Context) (*big.Int, error)
return b.gpo.SuggestTipCap(ctx)
}
func (b *EthAPIBackend) FeeHistory(ctx context.Context, blockCount int, lastBlock rpc.BlockNumber, rewardPercentiles []float64) (firstBlock rpc.BlockNumber, reward [][]*big.Int, baseFee []*big.Int, gasUsedRatio []float64, err error) {
return b.gpo.FeeHistory(ctx, blockCount, lastBlock, rewardPercentiles)
}
func (b *EthAPIBackend) ChainDb() ethdb.Database {
return b.eth.ChainDb()
}