forked from cerc-io/ipld-eth-server
55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
package geth
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import (
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"github.com/vulcanize/vulcanizedb/pkg/core"
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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(block core.Block, uncles []*types.Header) float64 {
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var unclesReward float64
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for _, uncle := range uncles {
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blockNumber := block.Number
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staticBlockReward := float64(staticRewardByBlockNumber(blockNumber))
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unclesReward += (1.0 + float64(uncle.Number.Int64()-block.Number)/8.0) * staticBlockReward
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}
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return unclesReward
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}
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func CalcBlockReward(block core.Block, uncles []*types.Header) float64 {
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blockNumber := block.Number
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staticBlockReward := staticRewardByBlockNumber(blockNumber)
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transactionFees := calcTransactionFees(block)
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uncleInclusionRewards := calcUncleInclusionRewards(block, uncles)
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return transactionFees + uncleInclusionRewards + staticBlockReward
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}
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func calcTransactionFees(block core.Block) float64 {
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var transactionFees float64
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for _, transaction := range block.Transactions {
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receipt := transaction.Receipt
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transactionFees += float64(transaction.GasPrice * receipt.GasUsed)
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}
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return transactionFees / params.Ether
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}
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func calcUncleInclusionRewards(block core.Block, uncles []*types.Header) float64 {
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var uncleInclusionRewards float64
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staticBlockReward := staticRewardByBlockNumber(block.Number)
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for range 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 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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