65 lines
2.4 KiB
Go
65 lines
2.4 KiB
Go
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// 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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"fmt"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/btc"
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"github.com/vulcanize/vulcanizedb/pkg/super_node/shared"
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)
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// PayloadConverter is the underlying struct for the Converter interface
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type PayloadConverter struct {
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PassedStatediffPayload btc.BlockPayload
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ReturnIPLDPayload btc.IPLDPayload
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ReturnErr error
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}
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// Convert method is used to convert a geth statediff.Payload to a IPLDPayload
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func (pc *PayloadConverter) Convert(payload shared.RawChainData) (shared.StreamedIPLDs, error) {
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stateDiffPayload, ok := payload.(btc.BlockPayload)
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if !ok {
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return nil, fmt.Errorf("convert expected payload type %T got %T", btc.BlockPayload{}, payload)
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}
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pc.PassedStatediffPayload = stateDiffPayload
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return pc.ReturnIPLDPayload, pc.ReturnErr
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}
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// IterativePayloadConverter is the underlying struct for the Converter interface
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type IterativePayloadConverter struct {
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PassedStatediffPayload []btc.BlockPayload
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ReturnIPLDPayload []btc.IPLDPayload
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ReturnErr error
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iteration int
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}
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// Convert method is used to convert a geth statediff.Payload to a IPLDPayload
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func (pc *IterativePayloadConverter) Convert(payload shared.RawChainData) (shared.StreamedIPLDs, error) {
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stateDiffPayload, ok := payload.(btc.BlockPayload)
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if !ok {
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return nil, fmt.Errorf("convert expected payload type %T got %T", btc.BlockPayload{}, payload)
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}
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pc.PassedStatediffPayload = append(pc.PassedStatediffPayload, stateDiffPayload)
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if len(pc.PassedStatediffPayload) < pc.iteration+1 {
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return nil, fmt.Errorf("IterativePayloadConverter does not have a payload to return at iteration %d", pc.iteration)
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}
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returnPayload := pc.ReturnIPLDPayload[pc.iteration]
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pc.iteration++
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return returnPayload, pc.ReturnErr
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}
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