mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 13:07:17 +00:00
91 lines
2.7 KiB
Go
91 lines
2.7 KiB
Go
package commands
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import (
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"context"
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"github.com/ledgerwatch/turbo-geth/common/hexutil"
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"github.com/ledgerwatch/turbo-geth/consensus/ethash"
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"github.com/ledgerwatch/turbo-geth/core/rawdb"
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"github.com/ledgerwatch/turbo-geth/core/types"
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"github.com/ledgerwatch/turbo-geth/ethdb"
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"github.com/ledgerwatch/turbo-geth/rpc"
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)
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// BlockReward returns the block reward for this block
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// func (api *TgImpl) BlockReward(ctx context.Context, blockNr rpc.BlockNumber) (Issuance, error) {
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// tx, err := api.dbReader.Begin(ctx, ethdb.RO)
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// if err != nil {
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// return Issuance{}, err
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// }
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// defer tx.Rollback()
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//
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// return api.rewardCalc(tx, blockNr, "block") // nolint goconst
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//}
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// UncleReward returns the uncle reward for this block
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// func (api *TgImpl) UncleReward(ctx context.Context, blockNr rpc.BlockNumber) (Issuance, error) {
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// tx, err := api.dbReader.Begin(ctx, ethdb.RO)
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// if err != nil {
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// return Issuance{}, err
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// }
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// defer tx.Rollback()
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//
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// return api.rewardCalc(tx, blockNr, "uncle") // nolint goconst
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//}
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// Issuance implements tg_issuance. Returns the total issuance (block reward plus uncle reward) for the given block.
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func (api *TgImpl) Issuance(ctx context.Context, blockNr rpc.BlockNumber) (Issuance, error) {
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tx, err := api.db.Begin(ctx)
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if err != nil {
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return Issuance{}, err
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}
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defer tx.Rollback()
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genesis, err := rawdb.ReadBlockByNumber(ethdb.NewRoTxDb(tx), 0)
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if err != nil {
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return Issuance{}, err
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}
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genesisHash := genesis.Hash()
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chainConfig, err := rawdb.ReadChainConfig(ethdb.NewRoTxDb(tx), genesisHash)
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if err != nil {
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return Issuance{}, err
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}
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if chainConfig.Ethash == nil {
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// Clique for example has no issuance
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return Issuance{}, nil
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}
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block, err := api.getBlockByRPCNumber(tx, blockNr)
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if err != nil {
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return Issuance{}, err
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}
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minerReward, uncleRewards := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles())
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issuance := minerReward
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for _, r := range uncleRewards {
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p := r // avoids warning?
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issuance.Add(&issuance, &p)
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}
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var ret Issuance
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ret.BlockReward = hexutil.EncodeBig(minerReward.ToBig())
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ret.Issuance = hexutil.EncodeBig(issuance.ToBig())
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issuance.Sub(&issuance, &minerReward)
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ret.UncleReward = hexutil.EncodeBig(issuance.ToBig())
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return ret, nil
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}
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func (api *TgImpl) getBlockByRPCNumber(tx ethdb.Tx, blockNr rpc.BlockNumber) (*types.Block, error) {
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blockNum, err := getBlockNumber(blockNr, tx)
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if err != nil {
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return nil, err
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}
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return rawdb.ReadBlockByNumber(ethdb.NewRoTxDb(tx), blockNum)
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}
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// Issuance structure to return information about issuance
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type Issuance struct {
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BlockReward string `json:"blockReward,omitempty"`
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UncleReward string `json:"uncleReward,omitempty"`
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Issuance string `json:"issuance,omitempty"`
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}
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