@ledgerhq/coin-tezos/src/types/errors.ts

Tezos Coin integration

// SPDX-FileCopyrightText: © 2026 LEDGER SAS
// SPDX-License-Identifier: Apache-2.0

export class NotEnoughBalanceToDelegate extends Error {
  override name = 'NotEnoughBalanceToDelegate'
  constructor(message?: string) {
    super(message || 'NotEnoughBalanceToDelegate')
  }
}

export class InvalidAddressBecauseAlreadyDelegated extends Error {
  override name = 'InvalidAddressBecauseAlreadyDelegated'
  constructor(message?: string, fields?: Record<string, unknown>) {
    super(message || 'InvalidAddressBecauseAlreadyDelegated')
    if (fields) Object.assign(this, fields)
  }
}

export class UnsupportedTransactionMode extends Error {
  override name = 'UnsupportedTransactionMode'
  constructor(message?: string, fields?: Record<string, unknown>) {
    super(message || 'UnsupportedTransactionMode')
    if (fields) Object.assign(this, fields)
  }
}

export class UnsupportedOperationKind extends Error {
  override name = 'UnsupportedOperationKind'
  constructor(message?: string, fields?: Record<string, unknown>) {
    super(message || 'UnsupportedOperationKind')
    if (fields) Object.assign(this, fields)
  }
}

export class MustDelegateBeforeStaking extends Error {
  override name = 'MustDelegateBeforeStaking'
  constructor(message?: string, fields?: Record<string, unknown>) {
    super(message || 'MustDelegateBeforeStaking')
    if (fields) Object.assign(this, fields)
  }
}

export class TezosNotEnoughStaked extends Error {
  override name = 'TezosNotEnoughStaked'
  constructor(message?: string, fields?: Record<string, unknown>) {
    super(message || 'TezosNotEnoughStaked')
    if (fields) Object.assign(this, fields)
  }
}

// Staking with a new delegate is rejected by the protocol while an unfinalizable unstake request
// to the previous delegate still exists (~4-day freeze). Surfaced during stake fee estimation.
// Display is i18n-driven (via error.name); the message is a fallback for logs.
export class TezosStakeBlockedByPendingUnstake extends Error {
  constructor() {
    super(
      'Cannot stake with the new validator while an unfinalizable unstake to the previous one is pending'
    )
    this.name = 'TezosStakeBlockedByPendingUnstake'
  }
}