87 lines
2.7 KiB
Go
87 lines
2.7 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package mocks
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import (
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"context"
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"encoding/json"
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"errors"
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"github.com/ethereum/go-ethereum/rpc"
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"github.com/ethereum/go-ethereum/statediff"
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)
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// BackFillerClient is a mock client for use in backfiller tests
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type BackFillerClient struct {
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MappedStateDiffAt map[uint64][]byte
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}
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// SetReturnDiffAt method to set what statediffs the mock client returns
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func (mc *BackFillerClient) SetReturnDiffAt(height uint64, diffPayload statediff.Payload) error {
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if mc.MappedStateDiffAt == nil {
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mc.MappedStateDiffAt = make(map[uint64][]byte)
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}
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by, err := json.Marshal(diffPayload)
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if err != nil {
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return err
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}
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mc.MappedStateDiffAt[height] = by
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return nil
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}
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// BatchCall mockClient method to simulate batch call to geth
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func (mc *BackFillerClient) BatchCall(batch []rpc.BatchElem) error {
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if mc.MappedStateDiffAt == nil {
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return errors.New("mockclient needs to be initialized with statediff payloads and errors")
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}
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for _, batchElem := range batch {
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if len(batchElem.Args) < 1 {
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return errors.New("expected batch elem to contain an argument(s)")
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}
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blockHeight, ok := batchElem.Args[0].(uint64)
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if !ok {
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return errors.New("expected first batch elem argument to be a uint64")
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}
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err := json.Unmarshal(mc.MappedStateDiffAt[blockHeight], batchElem.Result)
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if err != nil {
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return err
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}
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}
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return nil
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}
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// BatchCallContext mockClient method to simulate batch call to geth
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func (mc *BackFillerClient) BatchCallContext(ctx context.Context, batch []rpc.BatchElem) error {
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if mc.MappedStateDiffAt == nil {
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return errors.New("mockclient needs to be initialized with statediff payloads and errors")
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}
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for _, batchElem := range batch {
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if len(batchElem.Args) < 1 {
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return errors.New("expected batch elem to contain an argument(s)")
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}
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blockHeight, ok := batchElem.Args[0].(uint64)
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if !ok {
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return errors.New("expected batch elem first argument to be a uint64")
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}
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err := json.Unmarshal(mc.MappedStateDiffAt[blockHeight], batchElem.Result)
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if err != nil {
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return err
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}
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}
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return nil
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}
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