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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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16
miner/worker.go
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@ -162,9 +162,10 @@ type worker struct {
pendingMu sync.RWMutex
pendingTasks map[common.Hash]*task
snapshotMu sync.RWMutex // The lock used to protect the block snapshot and state snapshot
snapshotBlock *types.Block
snapshotState *state.StateDB
snapshotMu sync.RWMutex // The lock used to protect the block snapshot and state snapshot
snapshotBlock *types.Block
snapshotReceipts types.Receipts
snapshotState *state.StateDB
// atomic status counters
running int32 // The indicator whether the consensus engine is running or not.
@ -284,6 +285,14 @@ func (w *worker) pendingBlock() *types.Block {
return w.snapshotBlock
}
// pendingBlockAndReceipts returns pending block and corresponding receipts.
func (w *worker) pendingBlockAndReceipts() (*types.Block, types.Receipts) {
// return a snapshot to avoid contention on currentMu mutex
w.snapshotMu.RLock()
defer w.snapshotMu.RUnlock()
return w.snapshotBlock, w.snapshotReceipts
}
// start sets the running status as 1 and triggers new work submitting.
func (w *worker) start() {
atomic.StoreInt32(&w.running, 1)
@ -730,6 +739,7 @@ func (w *worker) updateSnapshot() {
w.current.receipts,
trie.NewStackTrie(nil),
)
w.snapshotReceipts = w.current.receipts
w.snapshotState = w.current.state.Copy()
}