159 lines
4.8 KiB
Nim
159 lines
4.8 KiB
Nim
# Nimbus
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# Copyright (c) 2018 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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## EVM Opcode Handlers: Block Data
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## ===============================
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##
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import
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../../computation,
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../../stack,
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../op_codes,
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./oph_defs,
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eth/common,
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stint
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when not defined(evmc_enabled):
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import ../../state
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# ------------------------------------------------------------------------------
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# Private, op handlers implementation
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# ------------------------------------------------------------------------------
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const
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blockhashOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x40, Get the hash of one of the 256 most recent complete blocks.
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let (blockNumber) = k.cpt.stack.popInt(1)
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k.cpt.stack.push:
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k.cpt.getBlockHash(blockNumber)
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coinBaseOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x41, Get the block's beneficiary address.
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k.cpt.stack.push:
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k.cpt.getCoinbase
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timestampOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x42, Get the block's timestamp.
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k.cpt.stack.push:
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k.cpt.getTimestamp
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blocknumberOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x43, Get the block's number.
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k.cpt.stack.push:
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k.cpt.getBlockNumber
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difficultyOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x44, Get the block's difficulty
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k.cpt.stack.push:
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k.cpt.getDifficulty
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gasLimitOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x45, Get the block's gas limit
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k.cpt.stack.push:
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k.cpt.getGasLimit
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chainIdOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x46, Get current chain’s EIP-155 unique identifier.
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k.cpt.stack.push:
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k.cpt.getChainId
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selfBalanceOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x47, Get current contract's balance.
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k.cpt.stack.push:
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k.cpt.getBalance(k.cpt.msg.contractAddress)
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baseFeeOp: Vm2OpFn = proc (k: var Vm2Ctx) =
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## 0x48, Get the block's base fee.
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k.cpt.stack.push:
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k.cpt.getBaseFee
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# ------------------------------------------------------------------------------
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# Public, op exec table entries
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# ------------------------------------------------------------------------------
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const
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vm2OpExecBlockData*: seq[Vm2OpExec] = @[
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(opCode: Blockhash, ## 0x40, Hash of some most recent complete block
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forks: Vm2OpAllForks,
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name: "blockhash",
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info: "Get the hash of one of the 256 most recent complete blocks",
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exec: (prep: vm2OpIgnore,
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run: blockhashOp,
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post: vm2OpIgnore)),
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(opCode: Coinbase, ## 0x41, Beneficiary address
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forks: Vm2OpAllForks,
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name: "coinbase",
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info: "Get the block's beneficiary address",
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exec: (prep: vm2OpIgnore,
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run: coinBaseOp,
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post: vm2OpIgnore)),
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(opCode: Timestamp, ## 0x42, Block timestamp.
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forks: Vm2OpAllForks,
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name: "timestamp",
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info: "Get the block's timestamp",
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exec: (prep: vm2OpIgnore,
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run: timestampOp,
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post: vm2OpIgnore)),
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(opCode: Number, ## 0x43, Block number
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forks: Vm2OpAllForks,
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name: "blockNumber",
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info: "Get the block's number",
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exec: (prep: vm2OpIgnore,
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run: blocknumberOp,
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post: vm2OpIgnore)),
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(opCode: Difficulty, ## 0x44, Block difficulty
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forks: Vm2OpAllForks,
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name: "difficulty",
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info: "Get the block's difficulty",
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exec: (prep: vm2OpIgnore,
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run: difficultyOp,
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post: vm2OpIgnore)),
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(opCode: GasLimit, ## 0x45, Block gas limit
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forks: Vm2OpAllForks,
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name: "gasLimit",
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info: "Get the block's gas limit",
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exec: (prep: vm2OpIgnore,
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run: gasLimitOp,
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post: vm2OpIgnore)),
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(opCode: ChainIdOp, ## 0x46, EIP-155 chain identifier
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forks: Vm2OpIstanbulAndLater,
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name: "chainId",
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info: "Get current chain’s EIP-155 unique identifier",
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exec: (prep: vm2OpIgnore,
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run: chainIdOp,
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post: vm2OpIgnore)),
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(opCode: SelfBalance, ## 0x47, Contract balance.
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forks: Vm2OpIstanbulAndLater,
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name: "selfBalance",
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info: "Get current contract's balance",
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exec: (prep: vm2OpIgnore,
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run: selfBalanceOp,
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post: vm2OpIgnore)),
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(opCode: BaseFee, ## 0x48, EIP-1559 Block base fee.
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forks: Vm2OpLondonAndLater,
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name: "baseFee",
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info: "Get current block's EIP-1559 base fee",
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exec: (prep: vm2OpIgnore,
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run: baseFeeOp,
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post: vm2OpIgnore))]
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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