Withdraw Protocol¶

The `WithdrawParams` type¶

Field	type	description
`initiatorXpub`	`xpub`	xpub of `initiator`
`responderXpub`	`xpub`	xpub of `responder`
`multisigAddress`	`address`	address of the `initiator`-`responder` multisig
`recipient`	`address`	address to withdraw ETH to
`amount`	`uint256`	amount of ether to withdraw, in wei

Commitments¶

installRefundApp¶

This is exactly the same kind of install commitment produced by the install protocol for regular apps. This commitment installs a balance refund app.

withdrawCommitment¶

This is a commitment for the multisig to send amount wei to recipient.

uninstallRefundApp¶

This is exactly the same kind of uninstall commitment produced by the uninstall protocol for regular apps and uninstalls the app installed by installRefundApp.

Signatures¶

Signature	Commitment	Signed By
s1	installRefundApp	`initiator`
s2	installRefundApp	`responder`
s3	withdrawCommitment	`initiator`
s4	withdrawCommitment	`responder`
s5	uninstallRefundApp	`initiator`
s6	uninstallRefundApp	`responder`

Messages¶

sequenceDiagram participant Initiating participant Responding Initiating->>Responding: M1 Responding->>Initiating: M2 Initiating->>Responding: M3 Responding->>Initiating: M4 Initiating->>Responding: M5

Field	Description
`fromAddress`	`initiatorXpub`
`toAddress`	`responderXpub`
`seq`	`1`
`signature`	s1
`signature2`	s3

Field	Description
`fromAddress`	`responderXpub`
`toAddress`	`initiatorXpub`
`seq`	`2`
`signature`	s2
`signature2`	s4
`signature3`	s6

Field	Description
`fromAddress`	`initiatorXpub`
`toAddress`	`responderXpub`
`seq`	`-1`
`signature`	s5