EIP-210: Fixes for blockhash contracts#1094
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Arachnid merged 2 commits intoethereum:masterfrom Oct 15, 2018
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This fixes the issue in the contract when executed from SYSTEM account at block 1. Then the number of the previous block is 0 and the contract executes the loop forever.
Fix fixes the issue in the blockhash contract where the negative value of the argument is not properly handled.
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Arachnid
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May 18, 2018
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That blocknum 1 issue is actually very important, because otherwise it'll produce very weird results in most test scenarios |
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We still don't have any tests for the contract code itself, do we? |
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We do, but for old version of the contract: #641. When migrating to new code I discovered this block 1 bug. |
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Because these 2 bugs are quite obvious, I'd like to fix them first before progressing with tests. |
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Fix blockhash contract for block number 1
This fixes the issue in the contract when executed from SYSTEM account at block 1. Then the number of the previous block is 0 and the contract executes the loop forever.
Correctly handle argument with negative value
Fix fixes the issue in the blockhash contract where the negative value of the argument is not properly handled.