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Merge pull request #30 from coinbase/patrick/historical-balance-lookup
[services] Add historical balance lookup
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,3 @@ | ||
| rosetta-bitcoin | ||
| bitcoin-data | ||
| cli-data |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // 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 indexer | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/coinbase/rosetta-sdk-go/parser" | ||
| "github.com/coinbase/rosetta-sdk-go/storage" | ||
| "github.com/coinbase/rosetta-sdk-go/types" | ||
| ) | ||
|
|
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| var _ storage.BalanceStorageHandler = (*BalanceStorageHandler)(nil) | ||
|
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| // BalanceStorageHandler implements storage.BalanceStorageHandler. | ||
| type BalanceStorageHandler struct{} | ||
|
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| // BlockAdded is called whenever a block is committed to BlockStorage. | ||
| func (h *BalanceStorageHandler) BlockAdded( | ||
| ctx context.Context, | ||
| block *types.Block, | ||
| changes []*parser.BalanceChange, | ||
| ) error { | ||
| return nil | ||
| } | ||
|
|
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| // BlockRemoved is called whenever a block is removed from BlockStorage. | ||
| func (h *BalanceStorageHandler) BlockRemoved( | ||
| ctx context.Context, | ||
| block *types.Block, | ||
| changes []*parser.BalanceChange, | ||
| ) error { | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| // 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 indexer | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
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| "github.com/coinbase/rosetta-sdk-go/asserter" | ||
| "github.com/coinbase/rosetta-sdk-go/parser" | ||
| "github.com/coinbase/rosetta-sdk-go/storage" | ||
| "github.com/coinbase/rosetta-sdk-go/types" | ||
| ) | ||
|
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| var _ storage.BalanceStorageHelper = (*BalanceStorageHelper)(nil) | ||
|
|
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| // BalanceStorageHelper implements storage.BalanceStorageHelper. | ||
| type BalanceStorageHelper struct { | ||
| a *asserter.Asserter | ||
| } | ||
|
|
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| // AccountBalance attempts to fetch the balance | ||
| // for a missing account in storage. | ||
| func (h *BalanceStorageHelper) AccountBalance( | ||
| ctx context.Context, | ||
| account *types.AccountIdentifier, | ||
| currency *types.Currency, | ||
| block *types.BlockIdentifier, | ||
| ) (*types.Amount, error) { | ||
| return &types.Amount{ | ||
| Value: zeroValue, | ||
| Currency: currency, | ||
| }, nil | ||
| } | ||
|
|
||
| // Asserter returns a *asserter.Asserter. | ||
| func (h *BalanceStorageHelper) Asserter() *asserter.Asserter { | ||
| return h.a | ||
| } | ||
|
|
||
| // BalanceExemptions returns a list of *types.BalanceExemption. | ||
| func (h *BalanceStorageHelper) BalanceExemptions() []*types.BalanceExemption { | ||
| return []*types.BalanceExemption{} | ||
| } | ||
|
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| // ExemptFunc returns a parser.ExemptOperation. | ||
| func (h *BalanceStorageHelper) ExemptFunc() parser.ExemptOperation { | ||
| return func(op *types.Operation) bool { | ||
| return false | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,38 @@ | ||
| // 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 indexer | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/coinbase/rosetta-sdk-go/storage" | ||
| "github.com/coinbase/rosetta-sdk-go/types" | ||
| ) | ||
|
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| var _ storage.CoinStorageHelper = (*CoinStorageHelper)(nil) | ||
|
|
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| // CoinStorageHelper implements storage.CoinStorageHelper. | ||
| type CoinStorageHelper struct { | ||
| b *storage.BlockStorage | ||
| } | ||
|
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| // CurrentBlockIdentifier returns the current head block identifier | ||
| // and is used to comply with the CoinStorageHelper interface. | ||
| func (h *CoinStorageHelper) CurrentBlockIdentifier( | ||
| ctx context.Context, | ||
| transaction storage.DatabaseTransaction, | ||
| ) (*types.BlockIdentifier, error) { | ||
| return h.b.GetHeadBlockIdentifierTransactional(ctx, transaction) | ||
| } |
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