The Sovereign Layer-1
Engineered for the Post-Quantum Era

// Connect to user's post-quantum wallet
const accounts = await window.postera.request({ method: "postera_requestAccounts" });
console.log("Connected quantum address:", accounts[0]);

// Trigger a post-quantum SNOVA-signed transaction
const txId = await window.postera.request({
  method: "postera_sendTransaction",
  params: [{
    to: "0x05a8b84cd72cdd6eaf5af25ec057af6ae214f04236f1004fca0377c93524c899",
    amount: 25.0
  }]
});
console.log("Transaction committed:", txId);

// Formula: Fee = max(0.005 POSQ, TotalWU * 3,125 base units) + PriorityTip
// Bandwidth: 8 WU/wire byte (payload), 2 WU/byte (witness anti-DoS discount)
// Economics: Strictly 0% Burns | 50% Validator Pool, 45% Treasury, 5% Dev Fund

const feeEstimate = window.PosteraSDK.estimateTxFee({
  actionType: "Transfer",
  isFirstSpend: false,
  tipPosq: 0.002 // Fast Priority Tip (+0.002 POSQ)
});

console.log("Base Execution Fee:", feeEstimate.baseFeePosq, "POSQ");
console.log("Priority Tip:", feeEstimate.tipPosq, "POSQ");
console.log("Total Fee:", feeEstimate.feePosq, "POSQ");
console.log("Total Metering:", feeEstimate.workUnits, "WU");

// 1. Compute Blake3 32-byte cryptographic content hash
const contentHashHex = window.PosteraSDK.hashMetadata(imageOrCertBytes);

// 2. Mint NFT (L1 strictly verifies sender === collection.creator)
const mintTx = window.PosteraSDK.buildAndSignMintNftTx({
  senderId: userAcct.account_id,
  nonce: userAcct.nonce,
  currentHeight: blockHeight,
  collectionId: 1,
  tokenId: 42,
  recipientHex: "0x05a8b84cd72cdd6eaf5af25ec057af6ae214f04236f1004fca0377c93524c899",
  metadataUriHashHex: contentHashHex,
  masterSeed: userSeed,
  tipPosq: 0.002
});

// 3. Broadcast to Postera L1 Validator Cluster
const res = await rpcPost("postera_broadcastTx", [mintTx.rawTxHex]);
console.log("Minted Artifact TxID:", res.tx_id);

// 1. Encapsulate lattice secret to recipient meta-address (st:posq1...)
const enc = window.PosteraSDK.encapsulateStealthAddress("st:posq1qq...meta...");

// 2. Transfer to unlinkable one-time address
const tx = window.PosteraSDK.buildAndSignTransferTx({
  senderId: userAcct.account_id,
  nonce: userAcct.nonce,
  currentHeight: blockHeight,
  recipientAddressHex: enc.stealthAddress, // One-time unlinkable target
  amountPosq: 50.0,
  masterSeed: userSeed
});

// 3. Publish Ephemeral Ciphertext Hint for viewing-key detection
await rpcPost("postera_publishStealthHint", [
  enc.stealthAddress, enc.ciphertextHex, enc.viewTag, enc.bucketHint, tx.txId
]);

// 1. Generate 32-byte secret preimage & SHA-256 hash lock
const secret = window.PosteraSDK.generatePreimageSecret();
const hashLock = window.PosteraSDK.computeSha256Hash(secret);

// 2. Open Atomic Escrow on Postera L1
const escrowTx = window.PosteraSDK.buildAndSignOpenEscrowTx({
  senderId: makerAcct.account_id,
  nonce: makerAcct.nonce,
  currentHeight: blockHeight,
  recipientHex: takerAddress,
  amountPosq: 100.0,
  hashLockHex: hashLock,
  expirySlots: 7200, // ~1 hour timelock
  masterSeed: makerSeed
});
await rpcPost("postera_broadcastTx", [escrowTx.rawTxHex]);

// 1. Configure M-of-N Social Guardians (Action 9)
const configTx = window.PosteraSDK.buildAndSignConfigureGuardiansTx({
  senderId: userAcct.account_id,
  nonce: userAcct.nonce,
  currentHeight: blockHeight,
  guardians: [guardianAddr1, guardianAddr2],
  threshold: 2,
  masterSeed: userSeed
});

// 2. Rotate Primary Spend Key using SLH-DSA-128s Anchor (Action 2)
const rotateTx = window.PosteraSDK.buildAndSignRecoveryRotateTx({
  senderId: userAcct.account_id,
  nonce: userAcct.nonce,
  currentHeight: blockHeight,
  newSpendSeed: freshSpendSeed,
  masterRecoverySeed: coldSeedHex
});

// Request: Query account state and uncommitted nonces
{
  "jsonrpc": "2.0",
  "method": "postera_getAccount",
  "params": ["0x05a8b84cd72cdd6eaf5af25ec057af6ae214f04236f1004fca0377c93524c899"],
  "id": 1
}

// Response:
{
  "jsonrpc": "2.0",
  "result": {
    "account_id": 14,
    "nonce": 2,
    "recipient_mode": 1,
    "balance_posq": 164.980000000
  },
  "id": 1
}

[workspace]
members = [
    "crates/postera-types",         # Actions 0..=22, BCS schemas
    "crates/postera-crypto",        # SNOVA_I_S, SLH-DSA-128s, Blake3
    "crates/postera-state",         # Jellyfish Merkle Tree & Genesis
    "crates/postera-vm",            # Bare-metal RV64IM RISC-V Engine
    "crates/postera-vm-sdk",        # Smart contract authoring SDK
    "crates/postera-execution",     # HWAT parallel conflict scheduler
    "crates/postera-consensus",     # Tendermint/Malachite BFT engine
    "crates/postera-mempool",       # 5-Gate Nanosecond Sieve (WHash)
    "crates/postera-p2p",           # IPv6-First QUIC STUN networking
    "crates/postera-node"           # Unified node daemon & CLI
]