On-chain sports data feed with zero signing required.

const usdtAmount = new anchor.BN(1_000_000); // 1 USDT

const txSignature = await program.methods
.purchaseSubscriptionTokenUsdt(usdtAmount)
.accounts({
buyer: provider.wallet.publicKey,
usdtMint: USDT_MINT,
buyerUsdtAccount: buyerUsdtAccount.address,
usdtTreasuryVault: usdtTreasuryVault,
usdtTreasuryPda: usdtTreasuryPda,
subscriptionTokenMint: SUBSCRIPTION_TOKEN_MINT,
tokenTreasuryVault: tokenTreasuryVault,
tokenTreasuryPda: tokenTreasuryPda,
buyerTokenAccount: buyerTokenAccount.address,
tokenProgram: TOKEN_PROGRAM_ID,
token2022Program: TOKEN_2022_PROGRAM_ID,
systemProgram: SystemProgram.programId,
associatedTokenProgram: ASSOCIATED_TOKEN_PROGRAM_ID,
})
.rpc();

const SERVICE_LEVEL_ID = 1;
const DURATION_WEEKS = 1;
const SELECTED_LEAGUES: number[] = []; // Standard bundle

const txSig = await program.methods
.subscribe(SERVICE_LEVEL_ID, DURATION_WEEKS)
.accounts({
user: provider.wallet.publicKey,
pricingMatrix: pricingMatrixPda,
tokenMint: SUBSCRIPTION_TOKEN_MINT,
userTokenAccount: userTokenAccount.address,
tokenTreasuryVault,
tokenTreasuryPda,
tokenProgram: TOKEN_2022_PROGRAM_ID,
associatedTokenProgram: ASSOCIATED_TOKEN_PROGRAM_ID,
systemProgram: SystemProgram.programId,
})
.rpc();

const SERVICE_LEVEL_ID = 3;
const DURATION_WEEKS = 1;
const SELECTED_LEAGUES = [500001]; // Your league IDs

const txSig = await program.methods
.subscribe(SERVICE_LEVEL_ID, DURATION_WEEKS)
.accounts({
user: provider.wallet.publicKey,
pricingMatrix: pricingMatrixPda,
tokenMint: SUBSCRIPTION_TOKEN_MINT,
userTokenAccount: userTokenAccount.address,
tokenTreasuryVault,
tokenTreasuryPda,
tokenProgram: TOKEN_2022_PROGRAM_ID,
associatedTokenProgram: ASSOCIATED_TOKEN_PROGRAM_ID,
systemProgram: SystemProgram.programId,
})
.rpc();

// Get guest JWT
const authResponse = await axios.post("https://oracle-dev.txodds.com/auth/guest/start");
const jwt = authResponse.data.token;

// Sign the subscription transaction
const messageString = `${txSig}:${SELECTED_LEAGUES.join(“,”)}:${jwt}`;
const message = new TextEncoder().encode(messageString);
const signatureBytes = nacl.sign.detached(message, provider.wallet.payer!.secretKey);
const walletSignature = Buffer.from(signatureBytes).toString(“base64”);

// Activate API access
const activationResponse = await axios.post(
“https://oracle-dev.txodds.com/api/token/activate”,
{
txSig,
walletSignature,
leagues: SELECTED_LEAGUES,
},
{ headers: { Authorization: `Bearer ${jwt}` } }
);

const apiToken = activationResponse.data.token || activationResponse.data;

Tx LINE is built for trustlessness. The data is aggregated, signed, and structured as immutable sports data with cryptographic proofs, making it verifiable on-chain and essential for an on-chain betting audit.

We provide data with clear sports-data provenance via oracle-ready feeds. This enables automated smart-contract betting execution and instant, reliable payouts based on verifiable settlement data.

Yes — the system is designed for blockchain odds verification, giving users access to verifiable betting history and cryptographic proofs required to trust the transparent odds feed used by the dApp.

Absolutely. Tx LINE provides the secure, decentralized betting data needed for both pre-match odds locks and final settlement data, supporting a full range of blockchain-based betting markets.