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feat(cast): add abi-encode-event command #11300

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feat(cast): add abi-encode-event command #11300

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shiyasmohd
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Solution

Implemented cast abi-encode-event command that encodes event signatures & args into topics and data.

Example Usage

cast abi-encode-event "Transfer(address indexed from, address indexed to, uint256 value)" 0x1234567890123456789012345678901234567890 0xabcdefabcdefabcdefabcdefabcdefabcdefabcd 1000

Output

[topic0]: 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef
[topic1]: 0x0000000000000000000000001234567890123456789012345678901234567890
[topic2]: 0x000000000000000000000000abcdefabcdefabcdefabcdefabcdefabcdefabcd
[data]: 0x00000000000000000000000000000000000000000000000000000000000003e8

PR Checklist

  • Added Tests
  • Added Documentation
  • Breaking changes

Closes #10905

@onbjerg onbjerg self-assigned this Sep 1, 2025
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onbjerg requested changes Sep 1, 2025
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Hi! Thanks for this PR, sorry for the delay; I've left a review with some suggestions.

@shiyasmohd shiyasmohd force-pushed the shiyasmohd/event-encode branch from 6911e03 to ca9a558 Compare September 2, 2025 07:07
@shiyasmohd shiyasmohd force-pushed the shiyasmohd/event-encode branch from ca9a558 to 44e4180 Compare September 2, 2025 07:45
@shiyasmohd shiyasmohd force-pushed the shiyasmohd/event-encode branch from 44e4180 to 39fed42 Compare September 2, 2025 07:47
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@onbjerg Thanks for the review! Pushed the changes. But CI is failing due to another reason?

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@onbjerg onbjerg onbjerg requested changes

@DaniPopes DaniPopes Awaiting requested review from DaniPopes DaniPopes is a code owner

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feat(cast abi-encode-event): add support for event encoding to get topics and data
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@shiyasmohd @onbjerg