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fix: zcash blockchair fallback #11346

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Merged
NeOMakinG merged 4 commits into from
Dec 10, 2025
Merged

fix: zcash blockchair fallback #11346

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28fb9c1
fix: temporarily use blockchair endpoints for send inputs introspection
gomesalexandre Dec 10, 2025
4589ab0
feat: monkey patch throw
gomesalexandre Dec 10, 2025
e3533d9
Revert "feat: monkey patch throw"
gomesalexandre Dec 10, 2025
bf02572
Merge branch 'develop' into feat_trezor_blockchair_fallback
NeOMakinG Dec 10, 2025
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6 changes: 5 additions & 1 deletion headers/csps/chains/zcash.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,5 +6,9 @@ const mode = process.env.MODE ?? process.env.NODE_ENV ?? 'development'
const env = loadEnv(mode, process.cwd(), '')

export const csp: Csp = {
'connect-src': [env.VITE_UNCHAINED_ZCASH_HTTP_URL, env.VITE_UNCHAINED_ZCASH_WS_URL],
'connect-src': [
env.VITE_UNCHAINED_ZCASH_HTTP_URL,
env.VITE_UNCHAINED_ZCASH_WS_URL,
'https://api.blockchair.com',
],
}
38 changes: 36 additions & 2 deletions packages/chain-adapters/src/utxo/UtxoBaseAdapter.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -340,7 +340,23 @@ export abstract class UtxoBaseAdapter<T extends UtxoChainId> implements IChainAd

const signTxInputs: BTCSignTxInput[] = []
for (const input of inputs) {
const data = await this.providers.http.getTransaction({ txid: input.txid })
const data = await (async () => {
try {
return await this.providers.http.getTransaction({ txid: input.txid })
} catch (error) {
if (this.chainId === KnownChainIds.ZcashMainnet) {
const response = await fetch(
`https://api.blockchair.com/zcash/raw/transaction/${input.txid}`,
)
const data = await response.json()
if (!response.ok || data.error) {
throw new Error(`Blockchair API error: ${data.error || response.statusText}`)
}
return { hex: data.data[input.txid].raw_transaction }
}
throw error
}
})()

signTxInputs.push({
// UTXO inputs are not guaranteed to have paths.
Expand Down Expand Up @@ -544,7 +560,25 @@ export abstract class UtxoBaseAdapter<T extends UtxoChainId> implements IChainAd

async broadcastTransaction({ hex }: Pick<BroadcastTransactionInput, 'hex'>): Promise<string> {
try {
const txHash = await this.providers.http.sendTx({ sendTxBody: { hex } })
const txHash = await (async () => {
try {
return await this.providers.http.sendTx({ sendTxBody: { hex } })
} catch (error) {
if (this.chainId === KnownChainIds.ZcashMainnet) {
const response = await fetch('https://api.blockchair.com/zcash/push/transaction', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ data: hex }),
})
const data = await response.json()
if (!response.ok || data.error) {
throw new Error(`Blockchair API error: ${data.error || response.statusText}`)
}
return data.data.transaction_hash
}
throw error
}
})()

return txHash
} catch (err) {
Expand Down