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fix(solana): preflight sendTx at confirmed commitment #1284

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Merged
kaladinlight merged 1 commit into from
Jul 28, 2026
Merged

fix(solana): preflight sendTx at confirmed commitment #1284

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6 changes: 5 additions & 1 deletion node/coinstacks/solana/api/src/controller.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -305,7 +305,11 @@ export class Solana implements BaseAPI, API {
@Post('send/')
async sendTx(@Body() body: SendTxBody): Promise<string> {
try {
const txSig = await heliusSdk.connection.sendRawTransaction(Buffer.from(body.hex, 'base64'))
// Preflight against the confirmed bank - provider built txs (e.g. across) pin blockhashes at
// confirmed commitment, which the default finalized preflight won't know for ~30s
const txSig = await heliusSdk.connection.sendRawTransaction(Buffer.from(body.hex, 'base64'), {
preflightCommitment: 'confirmed',
})

return txSig
} catch (err) {
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