Class: WithdrawSiloedLiquidity

Defined in: cct/evm/token-pool/operations/withdraw-siloed-liquidity.ts:72

Withdraws tokens from one lane's silo to its rebalancer (v1.6.0–v1.6.1).

Extends

• EVMOperation<WithdrawSiloedLiquidityParams>

Constructors

Constructor

new WithdrawSiloedLiquidity(): WithdrawSiloedLiquidity

Returns

WithdrawSiloedLiquidity

Inherited from

EVMOperation<WithdrawSiloedLiquidityParams>.constructor

Properties

name

readonly name: "withdrawSiloedLiquidity" = 'withdrawSiloedLiquidity'

Defined in: cct/evm/token-pool/operations/withdraw-siloed-liquidity.ts:73

camelCase id; matches the token-manager facade method and error context.

Overrides

EVMOperation.name

Methods

buildUnsigned()

protected buildUnsigned(chain: EVMChain, params: WithdrawSiloedLiquidityParams): Promise<UnsignedEVMTx>

Defined in: cct/evm/token-pool/operations/withdraw-siloed-liquidity.ts:122

Resolves the pool's type/version, floor-matches the encoder, confirms the lane is siloed and that sender (when given) is its rebalancer, then pre-flights the silo's balance.

Parameters

Parameter	Type
chain	EVMChain
params	WithdrawSiloedLiquidityParams

Returns

Promise<UnsignedEVMTx>

Remarks

The lane check runs with or without sender, and first, for the reason given on ProvideSiloedLiquidity.buildUnsigned. The checks live here, not in execute, so the offline / multisig path gets them too.

Throws

CCTContractTypeInvalidError if the pool is not a SiloedLockReleaseTokenPool

Throws

CCTOperationUnsupportedError on a v2.0.0 pool, which escrows through per-lane lockboxes instead

Throws

CCTParamsInvalidError if the lane is not siloed, or sender is given and is not the silo's rebalancer

Throws

CCTTxFailedError if the silo holds less than amount

Throws

CCTContractVersionUnsupportedError if the pool reports an unknown version

Overrides

EVMOperation.buildUnsigned

---

execute()

execute(chain: EVMChain, params: EVMExecuteParams<WithdrawSiloedLiquidityParams>): Promise<TransactionResult>

Defined in: cct/evm/token-pool/operations/withdraw-siloed-liquidity.ts:150

Signs and submits as the silo's rebalancer, defaulting sender to the signing wallet: the only address that can satisfy buildUnsigned's rebalancer check for a broadcast tx, and the address the tokens are sent to. See EVMOperation.resolveWalletSender for why a divergent sender is rejected rather than signed.

Parameters

Parameter	Type
chain	EVMChain
params	EVMExecuteParams<WithdrawSiloedLiquidityParams>

Returns

Promise<TransactionResult>

Throws

CCIPWalletInvalidError if wallet is not a valid signer

Throws

CCTParamsInvalidError if sender is given and is not the wallet's address, or the wallet is not the silo's rebalancer

Throws

CCIPExecTxRevertedError if the tx reverts on-chain, e.g. InsufficientLiquidity

Overrides

EVMOperation.execute

---

generate()

generate(chain: EVMChain, params: WithdrawSiloedLiquidityParams): Promise<UnsignedEVMTx>

Defined in: cct/evm/operation.ts:110

Run prepare and buildUnsigned, applying optional sender; no signing.

Parameters

Parameter	Type
chain	EVMChain
params	WithdrawSiloedLiquidityParams

Returns

Promise<UnsignedEVMTx>

Remarks

Also pins every built transaction to chain.network.chainId (no RPC, known at construction). This is the one point every CCT builder and both execute paths pass through; unpinned, ethers would infer the chain from the eventual signer's provider.

Inherited from

EVMOperation.generate

---

parse()

protected parse(params: WithdrawSiloedLiquidityParams): WithdrawSiloedLiquidityParams

Defined in: cct/operation.ts:42

Normalize validated params for the builder — defaults, conversions, derived values. Identity by default, so an op that needs no normalization declares nothing.

Parameters

Parameter	Type
params	WithdrawSiloedLiquidityParams

Returns

WithdrawSiloedLiquidityParams

Inherited from

EVMOperation.parse

---

prepare()

protected prepare(params: WithdrawSiloedLiquidityParams): WithdrawSiloedLiquidityParams

Defined in: cct/operation.ts:48

validate then parse — the single pre-RPC step, before any chain access.

Parameters

Parameter	Type
params	WithdrawSiloedLiquidityParams

Returns

WithdrawSiloedLiquidityParams

Inherited from

EVMOperation.prepare

---

resolveWalletSender()

protected resolveWalletSender(wallet: unknown, sender?: string): Promise<string>

Defined in: cct/evm/operation.ts:130

Resolves the address a signed submission is authorized against: the signing wallet's own. The chain gates on msg.sender, and submit clears any builder-set tx.from before populating the tx (so ethers' own from/signer guard never fires) — an explicit sender that differs from the wallet would therefore let an op's pre-tx checks authorize one address while a different one actually signs, passing every local guard and reverting on-chain. Ops that gate on an on-chain role call this from execute; build with generateUnsigned* instead when the eventual signer isn't known yet, where sender is trusted as given.

Parameters

Parameter	Type
wallet	unknown
sender?	string

Returns

Promise<string>

Throws

CCIPWalletInvalidError if wallet is not a valid signer

Throws

CCTParamsInvalidError if sender is given and is not the wallet's address

Inherited from

EVMOperation.resolveWalletSender

---

validate()

protected validate(__namedParameters: WithdrawSiloedLiquidityParams): void

Defined in: cct/evm/token-pool/operations/withdraw-siloed-liquidity.ts:88

Validates the pool, lane and amount before any RPC. Lane 0 and a zero amount both revert on-chain (ChainNotSiloed, LiquidityAmountCannotBeZero).

Parameters

Parameter	Type
__namedParameters	WithdrawSiloedLiquidityParams

Returns

void

Overrides

EVMOperation.validate