open-standards/openpay/crates/op-payouts/tests/crypto_payout_usdc.rs
Transaction Science 7ef14c2ea9 ingest wave B: 3 crates · op-payouts + smart-byte-nostr + eoc-streaming
OpenPay (1 crate, 2174 LOC, 14 tests)
  op-payouts          Multi-rail payout engine. Visa Direct, Mastercard Send,
                      ACH credits (NACHA), Fedwire + SWIFT MT103 + ISO 20022
                      pacs.008, SEPA SCT + SCT Inst (mod-97 IBAN), UK FPS,
                      FedNow, RTP, PayPal, Wise. Crypto: USDC/USDT on
                      ETH/Polygon/Base/Solana + BTC + Lightning with real
                      ERC-20 transfer(address,uint256) calldata. Offline-pure
                      drivers (emit wire payloads — operators transmit).

Smart Byte (1 crate, 2605 LOC, 38 tests)
  smart-byte-nostr    Nostr adapter. NIP-01 canonical event id + BIP-340
                      Schnorr sign/verify; from-scratch bech32 + NIP-19 TLV
                      (npub/nsec/note/nprofile/nevent/nrelay); NIP-04 legacy
                      AES-256-CBC DMs; NIP-44 v2 HKDF-SHA256→ChaCha20+HMAC
                      with bucketed padding; NIP-17 gift-wrap (kind 1059) +
                      seal (kind 13) + rumor (kind 14); NIP-05/11/13/26/65.
                      Relay client message vocabulary (REQ/EVENT/CLOSE/AUTH/
                      EOSE/OK/NOTICE/CLOSED) + in-memory router.

EOC (1 crate, 2024 LOC, 30 tests)
  eoc-streaming       Token-by-token + tool-call streaming primitives.
                      SSE framing (data: lines); Anthropic event mapper
                      (message_start/content_block_*/message_delta/stop/ping);
                      OpenAI delta mapper; Vercel AI SDK mapper. Bounded-channel
                      backpressure with watermarks; CancelToken propagation;
                      Last-Event-ID resumable streams; per-stream joule meter.

Co-Authored-By: Claude Opus 4.7 <[email protected]>
2026-05-24 13:39:09 -04:00

82 lines
3.1 KiB
Rust

//! Integration: USDC payout on Base produces ERC-20 transfer calldata.
use op_core::{Currency, Money};
use op_payouts::crypto::{CryptoPayoutDriver, USDC_BASE};
use op_payouts::{
Beneficiary, BeneficiaryAccount, FundingSource, Payout, PayoutMethod, PayoutRequest,
PayoutStatus,
};
#[test]
fn usdc_on_base_builds_evm_intent() {
let driver = CryptoPayoutDriver {
source_wallet: "0xfeedfacefeedfacefeedfacefeedfacefeedface".to_string(),
};
// USDC has 6 decimals on Base. ISO 4217 has no slot for crypto and
// `Currency::try_new` caps exponent at 4, so we model the on-chain
// amount as raw token-minor-units carried in a Currency with
// exponent 0. The driver reads `minor_units` verbatim into
// calldata, which is what we assert.
let usdc = Currency::try_new(*b"USC", 0).expect("currency");
let amount = Money::from_minor(25_000_000, usdc); // 25 USDC in 6-dec minor units
let req = PayoutRequest {
idempotency_key: "44444444-4444-4444-8444-444444444444".to_string(),
method: PayoutMethod::Crypto {
asset: "USDC".to_string(),
network: "base".to_string(),
},
amount,
beneficiary: Beneficiary {
name: "wallet".to_string(),
address: None,
account: BeneficiaryAccount::EvmAddress(
"0x000000000000000000000000000000000000beef".to_string(),
),
kyc_ref: None,
},
funding: FundingSource::Prefunded {
account_ref: "hot-wallet-base".to_string(),
},
memo: None,
};
let res = driver.submit(&req).expect("offline build");
assert_eq!(res.status, PayoutStatus::PreparedOffline);
let body: serde_json::Value =
serde_json::from_slice(&res.wire_payload.expect("payload")).expect("json");
assert_eq!(body["chain"], "base");
assert_eq!(body["asset"], "USDC");
assert_eq!(body["token_contract"], USDC_BASE);
let calldata = body["calldata_hex"].as_str().expect("calldata");
assert!(calldata.starts_with("0xa9059cbb"));
// amount field at the end: 25_000_000 in hex right-padded to 64 chars
let expected_amt = format!("{:064x}", 25_000_000u128);
assert!(calldata.ends_with(&expected_amt));
}
#[test]
fn usdc_evm_rejects_bad_address() {
let driver = CryptoPayoutDriver {
source_wallet: "0xfeed".to_string(),
};
let usdc = Currency::try_new(*b"USC", 0).expect("currency");
let req = PayoutRequest {
idempotency_key: "55555555-5555-4555-8555-555555555555".to_string(),
method: PayoutMethod::Crypto {
asset: "USDC".to_string(),
network: "ethereum".to_string(),
},
amount: Money::from_minor(1_000_000, usdc),
beneficiary: Beneficiary {
name: "wallet".to_string(),
address: None,
account: BeneficiaryAccount::EvmAddress("0xnothex".to_string()),
kyc_ref: None,
},
funding: FundingSource::Prefunded {
account_ref: "hot".to_string(),
},
memo: None,
};
assert!(driver.submit(&req).is_err());
}