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Merge pull request #2770 from rsksmart/add-basic-tests
Add basic tests
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rskj-core/src/test/resources/dsl/opcode/mcopy/testCopying32BytesFromOffset0toOffset0.txt
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comment | ||
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// CONTRACT CODE | ||
// Corresponds to https://eips.ethereum.org/EIPS/eip-5656 (second case on Test Cases section) | ||
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// SPDX-License-Identifier: UNLICENSED | ||
pragma solidity ^0.8.20; | ||
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contract TestMCopy { | ||
constructor() {} | ||
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event OK(); | ||
event ERROR(); | ||
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function checkMCopy() external { | ||
bytes32 value = 0x0101010101010101010101010101010101010101010101010101010101010101; | ||
bytes32 result = getCopiedValue(value); | ||
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if (result == value) { | ||
emit OK(); | ||
} else { | ||
emit ERROR(); | ||
} | ||
} | ||
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function getCopiedValue(bytes32 value) public pure returns (bytes32 x) { | ||
assembly { | ||
mstore(0, value) // Store given value at offset 0 in memory | ||
mcopy(0, 0, 32) // Use MCOPY to copy 32 bytes starting at offset 0 to offset 0 in memory | ||
x := mload(0) // Returns the word at offset 0 | ||
} | ||
} | ||
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} | ||
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// DESCRIPTION | ||
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This contract contains two functions: checkMCopy, and getCopiedValue. | ||
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* checkMCopy simply checks the result of the memory copying against an expected value and: | ||
- If returned value matches the expected one, then the OK event is emitted | ||
- ERROR event is emitted otherwise. | ||
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* getCopiedValue manage the memory by storing, copying and reading values as follows: | ||
- First it stores a value to memory on offset 0 | ||
- Then uses MCOPY to copy 32 bytes starting on offset 0 to offset 0 | ||
- Finally it returns the word stored on offset 0 | ||
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// CONTRACT BYTECODE | ||
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 | ||
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// CONTRACT CALL | ||
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- checkMCopy() | ||
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8c2bcab9 | ||
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end | ||
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# Create and fund new account | ||
account_new acc1 10000000 | ||
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# Create transaction to deploy TestMCopy contract | ||
transaction_build txTestMCopy | ||
sender acc1 | ||
receiverAddress 00 | ||
value 0 | ||
data 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 | ||
gas 1200000 | ||
build | ||
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# Create block to hold txTestMCopy transaction | ||
block_build b01 | ||
parent g00 | ||
transactions txTestMCopy | ||
build | ||
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# Connect block | ||
block_connect b01 | ||
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# Check b01 is best block | ||
assert_best b01 | ||
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# Check txTestMCopy succeeded | ||
assert_tx_success txTestMCopy | ||
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# Create transaction to execute checkMCopy() method | ||
transaction_build txTestMCopyOKCall | ||
sender acc1 | ||
nonce 1 | ||
contract txTestMCopy | ||
value 0 | ||
data 8c2bcab9 | ||
gas 30000 | ||
build | ||
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# Create block to hold txTestMCopyOKCall transaction | ||
block_build b02 | ||
parent b01 | ||
transactions txTestMCopyOKCall | ||
gasLimit 6500000 | ||
build | ||
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# Connect block | ||
block_connect b02 | ||
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# Check b02 is best block | ||
assert_best b02 | ||
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# Check txTestMCopyOKCall succeeded | ||
assert_tx_success txTestMCopyOKCall |
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