feat: introduce v0.3.0 RPCs #989
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✅ Heimdall Review Status
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danyalprout
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Jan 27, 2026
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| #### base_transactionStatus <Badge color="orange" shape="rounded">Beta</Badge> | ||
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| Check whether a transaction is present in the mempool: | ||
| ``` | ||
| curl https://sepolia-preconf.base.org -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","method":"base_transactionStatus","params":["0x..."],"id":1}' | ||
| ``` | ||
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| **Example Response** | ||
| ``` | ||
| { | ||
| "jsonrpc": "2.0", | ||
| "id": 1, | ||
| "result": { | ||
| "status": "pending" | ||
| } | ||
| } | ||
| ``` |
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Is there a place we can put this outside of the flashblocks file? If not no worries, I think we need to reorg these docs soon too @roethke
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We will soon have an API references section within our docs that can house this.
danyalprout
approved these changes
Jan 27, 2026
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What changed? Why?
eth_subscribeandbase_transactionStatusNotes to reviewers
How has it been tested?
base_transactionStatusby using the same command in the.mdxon a random txn hash on Base Sepolia and it returned a resulteth_subscribeby taking the same sample code in the.mdxand running it locally on my laptop