integration·typescript client
tstypescript client
all instructions are exposed via the standard anchor ts client. shipped scripts in the repo demonstrate every usage.
setup
1yarn add @coral-xyz/anchor @solana/web3.js @solana/spl-token1import * as anchor from "@coral-xyz/anchor";2import { Program } from "@coral-xyz/anchor";3import { KaguraCore } from "../target/types/kagura_core";4import { KaguraVault } from "../target/types/kagura_vault";5 6const provider = anchor.AnchorProvider.env();7anchor.setProvider(provider);8 9const core = anchor.workspace.kaguraCore as Program<KaguraCore>;10const vault = anchor.workspace.kaguraVault as Program<KaguraVault>;initialize config (once per network)
1const [configPda] = PublicKey.findProgramAddressSync(2 [Buffer.from("kagura-config")],3 core.programId,4);5 6await core.methods7 .initializeConfig()8 .accountsPartial({9 authority: wallet.publicKey,10 config: configPda,11 systemProgram: SystemProgram.programId,12 })13 .rpc();register protocol
1const [protocolPda] = PublicKey.findProgramAddressSync(2 [Buffer.from("kagura-protocol"), wallet.publicKey.toBuffer()],3 core.programId,4);5 6await core.methods7 .registerProtocol("my-protocol", 1000) // tick interval ms8 .accountsPartial({9 authority: wallet.publicKey,10 config: configPda,11 protocol: protocolPda,12 systemProgram: SystemProgram.programId,13 })14 .rpc();initialize vault
1const [vaultPda] = PublicKey.findProgramAddressSync(2 [Buffer.from("kagura-vault"), wallet.publicKey.toBuffer()],3 vault.programId,4);5const [shareMintPda] = PublicKey.findProgramAddressSync(6 [Buffer.from("share-mint"), vaultPda.toBuffer()],7 vault.programId,8);9// (... derive principalAuthPda, treasuryAuthPda, principalPda, treasuryPda similarly)10 11await vault.methods12 .initializeVault(2200) // 22% APR13 .accountsPartial({14 authority: wallet.publicKey,15 usdcMint,16 vault: vaultPda,17 shareMint: shareMintPda,18 principalAuthority: principalAuthPda,19 treasuryAuthority: treasuryAuthPda,20 principalAccount: principalPda,21 treasuryAccount: treasuryPda,22 kaguraProtocol: protocolPda,23 tokenProgram: TOKEN_PROGRAM_ID,24 systemProgram: SystemProgram.programId,25 rent: SYSVAR_RENT_PUBKEY,26 })27 .rpc();deposit
1await vault.methods2 .deposit(new BN(10_000_000_000)) // 10,000 USDC (6 decimals)3 .accountsPartial({4 user: wallet.publicKey,5 vault: vaultPda,6 shareMint: shareMintPda,7 principalAccount: principalPda,8 userTokenAccount: userUsdcAta,9 userShareAccount: userShareAta,10 tokenProgram: TOKEN_PROGRAM_ID,11 })12 .rpc();tick funding
1// long-running ticker bot loop2while (true) {3 const start = Date.now();4 try {5 await vault.methods6 .tickFunding()7 .accountsPartial({8 authority: wallet.publicKey,9 vault: vaultPda,10 principalAccount: principalPda,11 treasuryAccount: treasuryPda,12 treasuryAuthority: treasuryAuthPda,13 shareMint: shareMintPda,14 kaguraConfig: configPda,15 kaguraProtocol: protocolPda,16 kaguraCoreProgram: core.programId,17 tokenProgram: TOKEN_PROGRAM_ID,18 })19 .rpc({ skipPreflight: false, commitment: "confirmed" });20 } catch (e: any) {21 console.error("tick failed:", e.message);22 }23 const wait = Math.max(0, 1500 - (Date.now() - start));24 if (wait > 0) await new Promise((r) => setTimeout(r, wait));25}withdraw
1await vault.methods2 .withdraw(new BN(allShares.toString()))3 .accountsPartial({4 user: wallet.publicKey,5 vault: vaultPda,6 shareMint: shareMintPda,7 principalAccount: principalPda,8 principalAuthority: principalAuthPda,9 userTokenAccount: userUsdcAta,10 userShareAccount: userShareAta,11 tokenProgram: TOKEN_PROGRAM_ID,12 })13 .rpc();event subscription
1const listener = vault.addEventListener("FundingTicked", (ev, slot) => {2 console.log(`tick #${ev.tickNumber} +${ev.accrued} usdc @ slot ${slot}`);3});4 5// ... later6await vault.removeEventListener(listener);