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Core Functions

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createFeeVault

Creates a fee vault. Function 
async createFeeVault(createFeeVaultParam: CreateFeeVaultParam): Promise<Transaction>
Parameters 
interface CreateFeeVaultParam {
  feeVault: PublicKey; // The fee vault address
  tokenMint: PublicKey; // The token mint address
  tokenProgram: PublicKey; // The token program address
  owner: PublicKey; // The owner of the fee vault
  payer: PublicKey; // The wallet that will pay for the transaction
  userShare: UserShare[]; // The user share of the fee vault
}

interface UserShare {
  address: PublicKey; // The user address
  share: number; // The user share
}
Returns A transaction that can be signed and sent to the network. Example 
const feeVault = Keypair.generate();
const transaction = await client.createFeeVault({
  feeVault: feeVault.publicKey,
  tokenMint: new PublicKey("tokenMint1234567890abcdefghijklmnopqrstuvwxyz"),
  tokenProgram: TOKEN_PROGRAM_ID,
  owner: owner.publicKey,
  payer: payer.publicKey,
  userShare: [
    {
      address: new PublicKey("user1234567890abcdefghijklmnopqrstuvwxyz"),
      share: new BN(1000000),
    },
    {
      address: new PublicKey("user1234567890abcdefghijklmnopqrstuvwxyz"),
      share: new BN(1000000),
    },
  ],
});
Notes
  • The payer and feeVault is required to sign the transaction.
  • UserShare is an array of objects with address and share.
    • Minimum: At least 2 users must be included
    • Maximum: No more than 5 users can be included

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createFeeVaultPda

Creates a fee vault PDA. Function 
async createFeeVaultPda(createFeeVaultPdaParam: CreateFeeVaultPdaParam): Promise<Transaction>
Parameters 
interface CreateFeeVaultParam {
  base: PublicKey; // The base address
  tokenMint: PublicKey; // The token mint address
  owner: PublicKey; // The owner of the fee vault
  payer: PublicKey; // The wallet that will pay for the transaction
  userShare: UserShare[]; // The user share of the fee vault
}

interface UserShare {
  address: PublicKey; // The user address
  share: number; // The user share
}
Returns A transaction that can be signed and sent to the network. Example 
const base = Keypair.generate();
const transaction = await client.createFeeVaultPda({
  base: base.publicKey,
  tokenMint: new PublicKey("tokenMint1234567890abcdefghijklmnopqrstuvwxyz"),
  owner: owner.publicKey,
  payer: payer.publicKey,
  userShare: [
    {
      address: new PublicKey("user1234567890abcdefghijklmnopqrstuvwxyz"),
      share: new BN(1000000),
    },
    {
      address: new PublicKey("user1234567890abcdefghijklmnopqrstuvwxyz"),
      share: new BN(1000000),
    },
  ],
});
Notes
  • The payer and base is required to sign the transaction.
  • UserShare is an array of objects with address and share.
    • Minimum: At least 2 users must be included
    • Maximum: No more than 5 users can be included

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fundFeeVault

Funds the fee vault. Function 
async fundFeeVault(fundFeeVaultParam: FundFeeVaultParam): Promise<Transaction>
Parameters 
interface FundFeeVaultParam {
  fundAmount: BN; // The amount to fund
  feeVault: PublicKey; // The fee vault address
  funder: PublicKey; // The funder address
}
Returns A transaction that can be signed and sent to the network. Example 
const transaction = await client.fundFeeVault({
  fundAmount: new BN(1000000),
  feeVault: new PublicKey("user1234567890abcdefghijklmnopqrstuvwxyz"),
  funder: funder.publicKey,
});
Notes
  • The funder is required to sign the transaction.

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claimUserFee

Claims the fee for the user. Function 
async claimUserFee(claimUserFeeParam: ClaimUserFeeParam): Promise<Transaction>
Parameters 
interface ClaimUserFeeParam {
  feeVault: PublicKey; // The fee vault address
  user: PublicKey; // The user address
  payer: PublicKey; // The wallet that will pay for the transaction
}
Returns A transaction that can be signed and sent to the network. Example 
const transaction = await client.claimUserFee({
  feeVault: new PublicKey("user1234567890abcdefghijklmnopqrstuvwxyz"),
  user: user.publicKey,
  payer: payer.publicKey,
});
Notes
  • The payer and user is required to sign the transaction.

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State Functions

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getFeeVault

Get the fee vault state. Function 
async getFeeVault(feeVault: PublicKey): Promise<FeeVault>
Parameters 
feeVault: PublicKey;
Returns A transaction that can be signed and sent to the network. Example 
const feeVault = await client.getFeeVault(
  new PublicKey("vault1234567890abcdefghijklmnopqrstuvwxyz")
});
Notes
  • This function returns the fee vault state.

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Helper Functions

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deriveFeeVaultPdaAddress

Derive the fee vault PDA address. Function 
deriveFeeVaultPdaAddress(base: PublicKey, tokenMint: PublicKey): PublicKey
Parameters 
base: PublicKey;
tokenMint: PublicKey;
Returns A PDA address. Example 
const feeVaultPda = deriveFeeVaultPdaAddress(
  new PublicKey("base1234567890abcdefghijklmnopqrstuvwxyz"),
  new PublicKey("tokenMint1234567890abcdefghijklmnopqrstuvwxyz")
);
Notes
  • This function returns the PDA address of the fee vault.

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convertToLamportsBN

Convert to lamports in BN type. Function 
convertToLamportsBN(amount: number | string, tokenDecimal: number): BN
Parameters 
amount: number | string;
tokenDecimal: number;
Returns A token amount in BN type. Example 
const fundAmount = convertToLamportsBN(1, 9);
Notes
  • This function returns the lamports in BN type.