forked from cerc-io/ipld-eth-server
59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
package geth
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import (
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"context"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/params"
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)
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func CalcUnclesReward(gethBlock *types.Block) float64 {
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var unclesReward float64
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for _, uncle := range gethBlock.Uncles() {
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blockNumber := gethBlock.Number().Int64()
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staticBlockReward := float64(staticRewardByBlockNumber(blockNumber))
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unclesReward += (1.0 + float64(uncle.Number.Int64()-gethBlock.Number().Int64())/8.0) * staticBlockReward
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}
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return unclesReward
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}
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func CalcBlockReward(gethBlock *types.Block, client GethClient) float64 {
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blockNumber := gethBlock.Number().Int64()
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staticBlockReward := staticRewardByBlockNumber(blockNumber)
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transactionFees := calcTransactionFees(gethBlock, client)
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uncleInclusionRewards := calcUncleInclusionRewards(gethBlock)
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return transactionFees + uncleInclusionRewards + staticBlockReward
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}
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func calcUncleInclusionRewards(gethBlock *types.Block) float64 {
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var uncleInclusionRewards float64
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staticBlockReward := staticRewardByBlockNumber(gethBlock.Number().Int64())
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for range gethBlock.Uncles() {
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uncleInclusionRewards += staticBlockReward * 1 / 32
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}
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return uncleInclusionRewards
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}
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func calcTransactionFees(gethBlock *types.Block, client GethClient) float64 {
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var transactionFees float64
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for _, transaction := range gethBlock.Transactions() {
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receipt, err := client.TransactionReceipt(context.Background(), transaction.Hash())
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if err != nil {
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continue
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}
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transactionFees += float64(transaction.GasPrice().Int64() * receipt.GasUsed.Int64())
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}
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return transactionFees / params.Ether
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}
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func staticRewardByBlockNumber(blockNumber int64) float64 {
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var staticBlockReward float64
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//https://blog.ethereum.org/2017/10/12/byzantium-hf-announcement/
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if blockNumber >= 4370000 {
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staticBlockReward = 3
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} else {
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staticBlockReward = 5
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}
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return staticBlockReward
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}
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