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errors.go
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/
errors.go
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// Copyright 2020 Coinbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package reconciler
import (
"errors"
utils "github.com/foundryservices/rosetta-sdk-go/errors"
)
// Named error types for Reconciler errors
var (
// ErrHeadBlockBehindLive is returned when the processed
// head is behind the live head. Sometimes, it is
// preferable to sleep and wait to catch up when
// we are close to the live head (waitToCheckDiff).
ErrHeadBlockBehindLive = errors.New("head block behind")
// ErrBlockGone is returned when the processed block
// head is greater than the live head but the block
// does not exist in the store. This likely means
// that the block was orphaned.
ErrBlockGone = errors.New("block gone")
ErrGetCurrentBlockFailed = errors.New("unable to get current block for reconciliation")
ErrBlockExistsFailed = errors.New("unable to check if block exists")
ErrGetComputedBalanceFailed = errors.New("unable to get computed balance")
ErrLiveBalanceLookupFailed = errors.New("unable to lookup live balance")
)
// Err takes an error as an argument and returns
// whether or not the error is one thrown by the reconciler package
func Err(err error) bool {
reconcilerErrors := []error{
ErrHeadBlockBehindLive,
ErrBlockGone,
ErrGetCurrentBlockFailed,
ErrBlockExistsFailed,
ErrGetComputedBalanceFailed,
ErrLiveBalanceLookupFailed,
}
return utils.FindError(reconcilerErrors, err)
}