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Extraction of chain configuration (ethereum#92)
Extraction of chain configuration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| // Copyright 2019 The multi-geth Authors | ||
| // This file is part of the multi-geth library. | ||
| // | ||
| // The multi-geth library is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Lesser General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // The multi-geth library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Lesser General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Lesser General Public License | ||
| // along with the multi-geth library. If not, see <http://www.gnu.org/licenses/>. | ||
| package ethash | ||
|
|
||
| import ( | ||
| "math/big" | ||
|
|
||
| "github.com/ethereum/go-ethereum/core/state" | ||
| "github.com/ethereum/go-ethereum/core/types" | ||
| "github.com/ethereum/go-ethereum/params" | ||
| ) | ||
|
|
||
| func ecip1017BlockReward(config *params.ChainConfig, state *state.StateDB, header *types.Header, uncles []*types.Header) { | ||
| blockReward := FrontierBlockReward | ||
|
|
||
| // Ensure value 'era' is configured. | ||
| eraLen := config.ECIP1017EraRounds | ||
| era := GetBlockEra(header.Number, eraLen) | ||
| wr := GetBlockWinnerRewardByEra(era, blockReward) // wr "winner reward". 5, 4, 3.2, 2.56, ... | ||
| wurs := GetBlockWinnerRewardForUnclesByEra(era, uncles, blockReward) // wurs "winner uncle rewards" | ||
| wr.Add(wr, wurs) | ||
| state.AddBalance(header.Coinbase, wr) // $$ | ||
|
|
||
| // Reward uncle miners. | ||
| for _, uncle := range uncles { | ||
| ur := GetBlockUncleRewardByEra(era, header, uncle, blockReward) | ||
| state.AddBalance(uncle.Coinbase, ur) // $$ | ||
| } | ||
| } | ||
|
|
||
| func ecip1010Explosion(config *params.ChainConfig, next *big.Int, exPeriodRef *big.Int) { | ||
| // https://github.com/ethereumproject/ECIPs/blob/master/ECIPs/ECIP-1010.md | ||
|
|
||
| explosionBlock := new(big.Int).Add(config.ECIP1010PauseBlock, config.ECIP1010Length) | ||
| if next.Cmp(explosionBlock) < 0 { | ||
| exPeriodRef.Set(config.ECIP1010PauseBlock) | ||
| } else { | ||
| exPeriodRef.Sub(exPeriodRef, config.ECIP1010Length) | ||
| } | ||
| } | ||
|
|
||
| // GetBlockEra gets which "Era" a given block is within, given an era length (ecip-1017 has era=5,000,000 blocks) | ||
| // Returns a zero-index era number, so "Era 1": 0, "Era 2": 1, "Era 3": 2 ... | ||
| func GetBlockEra(blockNum, eraLength *big.Int) *big.Int { | ||
| // If genesis block or impossible negative-numbered block, return zero-val. | ||
| if blockNum.Sign() < 1 { | ||
| return new(big.Int) | ||
| } | ||
|
|
||
| remainder := big.NewInt(0).Mod(big.NewInt(0).Sub(blockNum, big.NewInt(1)), eraLength) | ||
| base := big.NewInt(0).Sub(blockNum, remainder) | ||
|
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||
| d := big.NewInt(0).Div(base, eraLength) | ||
| dremainder := big.NewInt(0).Mod(d, big.NewInt(1)) | ||
|
|
||
| return new(big.Int).Sub(d, dremainder) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // Copyright 2019 The multi-geth Authors | ||
| // This file is part of the multi-geth library. | ||
| // | ||
| // The multi-geth library is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Lesser General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // The multi-geth library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Lesser General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Lesser General Public License | ||
| // along with the multi-geth library. If not, see <http://www.gnu.org/licenses/>. | ||
| package ethash | ||
|
|
||
| import ( | ||
| "math/big" | ||
|
|
||
| "github.com/ethereum/go-ethereum/common" | ||
| "github.com/ethereum/go-ethereum/core/state" | ||
| "github.com/ethereum/go-ethereum/core/types" | ||
| "github.com/ethereum/go-ethereum/params" | ||
| ) | ||
|
|
||
| func musicoinBlockReward(config *params.ChainConfig, state *state.StateDB, header *types.Header, uncles []*types.Header) { | ||
| // Select the correct block reward based on chain progression | ||
| blockReward := params.Mcip0BlockReward | ||
| mcip3Reward := params.Mcip3BlockReward | ||
| mcip8Reward := params.Mcip8BlockReward | ||
| ubiReservoir := params.MusicoinUbiBlockReward | ||
| devReservoir := params.MusicoinDevBlockReward | ||
|
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| reward := new(big.Int).Set(blockReward) | ||
|
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||
| if config.IsMCIP8(header.Number) { | ||
| state.AddBalance(header.Coinbase, mcip8Reward) | ||
| state.AddBalance(common.HexToAddress("0x00eFdd5883eC628983E9063c7d969fE268BBf310"), ubiReservoir) | ||
| state.AddBalance(common.HexToAddress("0x00756cF8159095948496617F5FB17ED95059f536"), devReservoir) | ||
| blockReward := mcip8Reward | ||
| reward := new(big.Int).Set(blockReward) | ||
| _ = reward | ||
| } else if config.IsMCIP3(header.Number) { | ||
| state.AddBalance(header.Coinbase, mcip3Reward) | ||
| state.AddBalance(common.HexToAddress("0x00eFdd5883eC628983E9063c7d969fE268BBf310"), ubiReservoir) | ||
| state.AddBalance(common.HexToAddress("0x00756cF8159095948496617F5FB17ED95059f536"), devReservoir) | ||
| // no change to uncle reward during UBI fork, a mistake but now a legacy | ||
| } else { | ||
| state.AddBalance(header.Coinbase, reward) | ||
| } | ||
|
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||
| // Accumulate the rewards for the miner and any included uncles | ||
| r := new(big.Int) | ||
| for _, uncle := range uncles { | ||
| r.Add(uncle.Number, big8) | ||
| r.Sub(r, header.Number) | ||
| r.Mul(r, blockReward) | ||
| r.Div(r, big8) | ||
| state.AddBalance(uncle.Coinbase, r) | ||
|
|
||
| r.Div(blockReward, big32) | ||
| reward.Add(reward, r) | ||
| } | ||
| } |
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