39 lines
1.2 KiB
Nim
39 lines
1.2 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 http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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times,
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../constants, ../errors, ../computation, ../vm_state, ../vm_types, .. / vm / [stack], stint
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{.this: computation.}
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{.experimental.}
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using
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computation: var BaseComputation
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proc blockhash*(computation) =
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let blockNumber = stack.popInt()
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let blockHash = vmState.getAncestorHash(blockNumber)
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stack.push(blockHash)
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proc coinbase*(computation) =
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stack.push(vmState.coinbase)
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proc timestamp*(computation) =
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# TODO: EthTime is an alias of Time, which is a distinct int64 so can't use u256(int64)
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# This may have implications for different platforms.
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stack.push(vmState.timestamp.toUnix.uint64.u256)
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proc number*(computation) =
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stack.push(vmState.blockNumber)
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proc difficulty*(computation) =
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stack.push(vmState.difficulty)
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proc gaslimit*(computation) =
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stack.push(vmState.gasLimit.u256)
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