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Invalid delegate

The Delegation Manager reverts with InvalidDelegate() in the following two cases.

Account is not the delegate​

The account redeeming the delegation is not the delegate specified in the delegation. The Delegation Manager checks that msg.sender matches the delegate field of the delegation, unless it's an open delegation.

Solution​

Verify that the account redeeming the delegation matches the address in the delegation’s to field. If the delegate is a smart account, send the user operation from that smart account.

Broken redelegation chain​

When Delegation Manager validates a redelegation chain, each child delegation’s delegator must match the parent delegation’s delegate. If any link in the chain fails this check, the authority is invalid.

Solution​

Verify that the redelegation chain is consistent. For each pair of adjacent delegations, the child's delegator must be the parent's delegate.

This error can also occur if the delegations are not passed in the correct order. The delegation array order should be from leaf to root.

For example, if the delegation chain is Alice to Bob to Carol. The order should be following

const rootDelegation = createDelegation({
  from: "0xAlice", 
  to: "0xBob", 
  //.. 
})
  
const leafDelegation = createDelegation({
  from: "OxBob",
  to: "0xCarol",
  parentDelegation: rootDelegation,
  // ...
})

const data = DelegationManager.encode.redeemDelegations({
  // Make sure the order is from leaf to root. 
  // Passing them in the wrong order causes the authority validation to fail.
  delegations: [[ leafDelegation, rootDelegation ]],
  modes: [ ExecutionMode.SingleDefault ],
  executions: [[ execution ]],
});
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