feat: Add lido protocol #22
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| import * as anchor from "@project-serum/anchor"; | ||
| import { TOKEN_PROGRAM_ID, getAssociatedTokenAddress } from "@solana/spl-token-v2"; | ||
| import { DepositParams, GatewayParams, IProtocolVault, PAYLOAD_SIZE, WithdrawParams } from "../types"; | ||
| import { Gateway } from "@dappio-wonderland/gateway-idls"; | ||
| import { IVaultInfo, lido } from "@dappio-wonderland/navigator"; | ||
| import { struct, nu64, u8, u32 } from "buffer-layout"; | ||
| import { getActivityIndex, sigHash, createATAWithoutCheckIx, getGatewayAuthority } from "../utils"; | ||
| import { LIDO_ADAPTER_PROGRAM_ID } from "../ids"; | ||
|
|
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| export class ProtocolLido implements IProtocolVault { | ||
| constructor( | ||
| private _connection: anchor.web3.Connection, | ||
| private _gatewayProgram: anchor.Program<Gateway>, | ||
| private _gatewayStateKey: anchor.web3.PublicKey, | ||
| private _gatewayParams: GatewayParams | ||
| ) {} | ||
| async deposit( | ||
| params: DepositParams, | ||
| vault: IVaultInfo, | ||
| userKey: anchor.web3.PublicKey | ||
| ): Promise<{ txs: anchor.web3.Transaction[]; input: Buffer }> { | ||
| // Handle payload input here | ||
| const inputLayout = struct([nu64("amount")]); | ||
| let payload = Buffer.alloc(PAYLOAD_SIZE); | ||
| inputLayout.encode( | ||
| { | ||
| amount: new anchor.BN(params.depositAmount), | ||
| }, | ||
| payload | ||
| ); | ||
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| // Handle transaction here | ||
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| let preInstructions = [] as anchor.web3.TransactionInstruction[]; | ||
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| const bufferArray = [lido.LIDO_ADDRESS.toBuffer(), Buffer.from("reserve_account")]; | ||
| const [reserveAccount] = anchor.web3.PublicKey.findProgramAddressSync(bufferArray, lido.LIDO_PROGRAM_ID); | ||
| const bufferArrayMint = [lido.LIDO_ADDRESS.toBuffer(), Buffer.from("mint_authority")]; | ||
| const [mintAuthority] = anchor.web3.PublicKey.findProgramAddressSync(bufferArrayMint, lido.LIDO_PROGRAM_ID); | ||
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||
| const recipientStSolAddress = await getAssociatedTokenAddress(vault.shareMint, userKey); | ||
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| preInstructions.push(await createATAWithoutCheckIx(userKey, vault.shareMint)); | ||
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| const remainingAccounts = [ | ||
| { pubkey: lido.LIDO_ADDRESS, isSigner: false, isWritable: true }, // 0 | ||
| { pubkey: userKey, isSigner: true, isWritable: true }, // 1 wallet.publicKey | ||
| { pubkey: recipientStSolAddress, isSigner: false, isWritable: true }, // 2 | ||
| { pubkey: vault.shareMint, isSigner: false, isWritable: true }, // 3 | ||
| { pubkey: reserveAccount, isSigner: false, isWritable: true }, // 4 | ||
| { pubkey: mintAuthority, isSigner: false, isWritable: false }, // 5 | ||
| { pubkey: TOKEN_PROGRAM_ID, isSigner: false, isWritable: false }, // 6 | ||
| { pubkey: anchor.web3.SystemProgram.programId, isSigner: false, isWritable: false }, // 7 | ||
| ]; | ||
| const txDeposit = await this._gatewayProgram.methods | ||
| .deposit() | ||
| .accounts({ | ||
| gatewayState: this._gatewayStateKey, | ||
| adapterProgramId: LIDO_ADAPTER_PROGRAM_ID, | ||
| baseProgramId: lido.LIDO_PROGRAM_ID, | ||
| activityIndex: await getActivityIndex(userKey), | ||
| gatewayAuthority: getGatewayAuthority(), | ||
| }) | ||
| .preInstructions(preInstructions) | ||
| .remainingAccounts(remainingAccounts) | ||
| .transaction(); | ||
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| return { txs: [txDeposit], input: payload }; | ||
| } | ||
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| async withdraw( | ||
| params: WithdrawParams, | ||
| vault: IVaultInfo, | ||
| userKey: anchor.web3.PublicKey | ||
| ): Promise<{ txs: anchor.web3.Transaction[]; input: Buffer }> { | ||
| // Handle payload input here | ||
| const inputLayout = struct([nu64("amount"), u32("validatorIndex")]); | ||
| let payload = Buffer.alloc(PAYLOAD_SIZE); | ||
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| const vaultInfo = vault as lido.VaultInfo; | ||
| const vaultInfoWrapper = new lido.VaultInfoWrapper(vaultInfo); | ||
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| const heaviestValidatorIndex = vaultInfoWrapper.getHeaviestValidatorIndex(); | ||
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| const heaviestValidator = vaultInfo.validators!.entries[heaviestValidatorIndex]; | ||
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| inputLayout.encode( | ||
| { | ||
| amount: new anchor.BN(params.withdrawAmount), | ||
| // Set validator index. | ||
| validatorIndex: heaviestValidatorIndex, | ||
|
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|
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| }, | ||
| payload | ||
| ); | ||
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| // Account to temporarily hold stSOL in | ||
| const receivingAccount = anchor.web3.Keypair.generate(); | ||
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| const senderStSolAddress = await getAssociatedTokenAddress(vault.shareMint, userKey); | ||
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| const bufferArrayStake = [lido.LIDO_ADDRESS.toBuffer(), Buffer.from("stake_authority")]; | ||
| const [stakeAuthority] = anchor.web3.PublicKey.findProgramAddressSync(bufferArrayStake, lido.LIDO_PROGRAM_ID); | ||
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| const validatorStakeSeeds = [ | ||
| lido.LIDO_ADDRESS.toBuffer(), | ||
| heaviestValidator.pubkey.toBuffer(), | ||
| Buffer.from("validator_stake_account"), | ||
| Buffer.from(heaviestValidator.entry.stakeSeeds.begin.toArray("le", 8)), | ||
| ]; | ||
|
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| const [validatorStakeAccount] = anchor.web3.PublicKey.findProgramAddressSync( | ||
| validatorStakeSeeds, | ||
| lido.LIDO_PROGRAM_ID | ||
| ); | ||
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| // Set up accounts | ||
| const remainingAccounts = [ | ||
| { pubkey: lido.LIDO_ADDRESS, isSigner: false, isWritable: true }, // 1 | ||
| { pubkey: userKey, isSigner: true, isWritable: false }, // 2 | ||
| { pubkey: senderStSolAddress, isSigner: false, isWritable: true }, // 3 | ||
| { pubkey: vault.shareMint, isSigner: false, isWritable: true }, // 4 | ||
| { pubkey: heaviestValidator.pubkey, isSigner: false, isWritable: false }, // 5 | ||
| { pubkey: validatorStakeAccount, isSigner: false, isWritable: true }, // 6 | ||
| { pubkey: receivingAccount.publicKey, isSigner: true, isWritable: true }, // 7 | ||
| { pubkey: stakeAuthority, isSigner: false, isWritable: false }, // 8 | ||
| { pubkey: vaultInfo.validatorList, isSigner: false, isWritable: true }, // 9 | ||
| { pubkey: TOKEN_PROGRAM_ID, isSigner: false, isWritable: false }, // 10 | ||
| { pubkey: anchor.web3.SYSVAR_CLOCK_PUBKEY, isSigner: false, isWritable: false }, // 11 | ||
| { pubkey: anchor.web3.SystemProgram.programId, isSigner: false, isWritable: false }, // 12 | ||
| { pubkey: anchor.web3.StakeProgram.programId, isSigner: false, isWritable: false }, // 13 | ||
| ]; | ||
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| // Handle transaction here | ||
| const txWithdraw = await this._gatewayProgram.methods | ||
| .withdraw() | ||
| .accounts({ | ||
| gatewayState: this._gatewayStateKey, | ||
| adapterProgramId: LIDO_ADAPTER_PROGRAM_ID, | ||
| baseProgramId: lido.LIDO_PROGRAM_ID, | ||
| activityIndex: await getActivityIndex(userKey), | ||
| gatewayAuthority: getGatewayAuthority(), | ||
| }) | ||
| .remainingAccounts(remainingAccounts) | ||
| .transaction(); | ||
|
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| return { txs: [txWithdraw], input: payload }; | ||
| } | ||
| } | ||
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So in order to support
validatorIndexinGatewayState:validatorIndexas an optional field inDepositParamsvalidatorIndexfield (metadata section) inGatewayParams(this is a work-around)this.params.validatorIndex = depositParams.validatorIndex