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feat: add rate limiting and retry logic to RPC calls in contract.ts #126

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Merged
Austinaminu2 merged 1 commit into from
Jun 26, 2026
Merged

feat: add rate limiting and retry logic to RPC calls in contract.ts #126

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11 changes: 4 additions & 7 deletions lib/contract.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -124,8 +124,7 @@ async function invoke(
// Submit the signed XDR directly via the RPC JSON-RPC endpoint.
// We bypass TransactionBuilder.fromXDR because Freighter may return a
// FeeBumpTransaction envelope (type 4) which fromXDR can't handle.
const rpcResponse = await fetchWithRetry(NETWORK.rpcUrl, {
const rpcResponse = await fetch(config.rpcUrl, {
const rpcResponse = await fetchWithRetry(config.rpcUrl, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
Expand Down Expand Up @@ -157,9 +156,7 @@ async function invoke(
while (pollStatus !== 'SUCCESS' && pollStatus !== 'FAILED') {
if (Date.now() >= pollDeadline) throw new Error('Transaction confirmation timed out after 60s')
await new Promise<void>((r) => setTimeout(r, 2000))
const pollRes = await fetchWithRetry(NETWORK.rpcUrl, {
await new Promise((r) => setTimeout(r, 2000))
const pollRes = await fetch(config.rpcUrl, {
const pollRes = await fetchWithRetry(config.rpcUrl, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
Expand Down Expand Up @@ -311,9 +308,8 @@ export async function createStream(

// Step 1: approve the streaming contract to pull `totalAmount` from the sender.
// The allowance needs to outlast the simulation ledger — set it to current + 500 ledgers.
const currentLedger = (await withRetry(() => server.getLatestLedger())).sequence
const server = getServer(network)
const currentLedger = (await server.getLatestLedger()).sequence
const currentLedger = (await withRetry(() => server.getLatestLedger())).sequence
const expirationLedger = currentLedger + 500

await invoke(
Expand Down Expand Up @@ -352,6 +348,7 @@ export async function createStream(
'create_stream',
[new Address(sender).toScVal(), params],
sender,
config.streamContractId,
)

// SDK v13 can't parse TransactionMetaV4 (protocol 22+) so returnValue is void.
Expand Down
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