@crateprotocol/yi
Version:
The TypeScript SDK for Yi Token by Crate Protocol.
132 lines • 5.08 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.YiSDK = void 0;
const anchor_contrib_1 = require("@saberhq/anchor-contrib");
const solana_contrib_1 = require("@saberhq/solana-contrib");
const token_utils_1 = require("@saberhq/token-utils");
const web3_js_1 = require("@solana/web3.js");
const _1 = require(".");
const constants_1 = require("./constants");
/**
* Yi SDK.
*/
class YiSDK {
constructor(provider, programs) {
this.provider = provider;
this.programs = programs;
}
/**
* Creates a new instance of the SDK with the given keypair.
*/
withSigner(signer) {
return YiSDK.load({
provider: this.provider.withSigner(signer),
});
}
/**
* Loads the SDK.
* @returns
*/
static load({ provider }) {
const programs = (0, anchor_contrib_1.newProgramMap)(provider, constants_1.YI_IDLS, constants_1.YI_ADDRESSES);
return new YiSDK(new solana_contrib_1.SolanaAugmentedProvider(provider), programs);
}
/**
* Creates a new Yi Token.
* @returns
*/
async createYiToken({ underlyingToken, stakeFeeMillibps = 0, unstakeFeeMillibps = 0, mintKP = web3_js_1.Keypair.generate(), payer = this.provider.wallet.publicKey, }) {
const [yiToken] = await (0, _1.findYiTokenAddress)(mintKP.publicKey);
const underlyingTokens = await (0, token_utils_1.getOrCreateATA)({
provider: this.provider,
mint: underlyingToken.mintAccount,
owner: yiToken,
});
const initMintTX = await (0, token_utils_1.createInitMintInstructions)({
provider: this.provider,
mintKP,
decimals: underlyingToken.decimals,
mintAuthority: yiToken,
freezeAuthority: yiToken,
});
return {
yiToken,
mint: mintKP.publicKey,
tx: initMintTX.combine(this.provider.newTX([
underlyingTokens.instruction,
this.programs.Yi.instruction.createYiTokenWithFees(stakeFeeMillibps, unstakeFeeMillibps, {
accounts: {
mint: mintKP.publicKey,
yiToken,
underlyingTokenMint: underlyingToken.mintAccount,
underlyingTokens: underlyingTokens.address,
payer,
systemProgram: web3_js_1.SystemProgram.programId,
},
}),
])),
};
}
/**
* Stakes underlying tokens for Yi tokens.
* @returns
*/
async stake({ yiTokenMint, amount, authority = this.provider.wallet.publicKey, }) {
const [yiToken] = await (0, _1.findYiTokenAddress)(yiTokenMint);
const yiTokenData = await this.programs.Yi.account.yiToken.fetch(yiToken);
const authorityATAs = await (0, token_utils_1.getOrCreateATAs)({
provider: this.provider,
mints: {
underlying: yiTokenData.underlyingTokenMint,
yi: yiTokenData.mint,
},
owner: authority,
});
return this.provider.newTX([
authorityATAs.createAccountInstructions.yi,
this.programs.Yi.instruction.stake(amount, {
accounts: {
yiToken,
yiMint: yiTokenMint,
sourceTokens: authorityATAs.accounts.underlying,
sourceAuthority: authority,
yiUnderlyingTokens: yiTokenData.underlyingTokens,
destinationYiTokens: authorityATAs.accounts.yi,
tokenProgram: token_utils_1.TOKEN_PROGRAM_ID,
},
}),
]);
}
/**
* Unstakes Yi tokens.
* @returns
*/
async unstake({ amount, authority = this.provider.wallet.publicKey, }) {
const [yiToken] = await (0, _1.findYiTokenAddress)(amount.token.mintAccount);
const yiTokenData = await this.programs.Yi.account.yiToken.fetch(yiToken);
const authorityATAs = await (0, token_utils_1.getOrCreateATAs)({
provider: this.provider,
mints: {
underlying: yiTokenData.underlyingTokenMint,
yi: yiTokenData.mint,
},
owner: authority,
});
return this.provider.newTX([
...authorityATAs.instructions,
this.programs.Yi.instruction.unstake(amount.toU64(), {
accounts: {
yiToken,
yiMint: amount.token.mintAccount,
sourceYiTokens: authorityATAs.accounts.yi,
sourceAuthority: authority,
yiUnderlyingTokens: yiTokenData.underlyingTokens,
destinationUnderlyingTokens: authorityATAs.accounts.underlying,
tokenProgram: token_utils_1.TOKEN_PROGRAM_ID,
},
}),
]);
}
}
exports.YiSDK = YiSDK;
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