/
parse.go
76 lines (63 loc) · 2 KB
/
parse.go
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// Copyright 2021 Optakt Labs OÜ
//
// 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
//
// https://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 rosetta
import (
"github.com/labstack/echo/v4"
"github.com/optakt/flow-dps/rosetta/object"
"github.com/optakt/flow-dps/rosetta/request"
"github.com/optakt/flow-dps/rosetta/response"
)
// Parse implements the /construction/parse endpoint of the Rosetta Construction API.
// Parse endpoint parses both signed and unsigned transactions to understand the
// transaction's intent. Endpoint returns the list of operations, any relevant metadata,
// and, in the case of signed transaction, the list of signers.
// See https://www.rosetta-api.org/docs/ConstructionApi.html#constructionparse
func (c *Construction) Parse(ctx echo.Context) error {
var req request.Parse
err := ctx.Bind(&req)
if err != nil {
return unpackError(err)
}
err = c.validate.Request(req)
if err != nil {
return formatError(err)
}
parse, err := c.transact.Parse(req.Transaction)
if err != nil {
return apiError(txParsing, err)
}
refBlockID, err := parse.BlockID()
if err != nil {
return apiError(txParsing, err)
}
signers, err := parse.Signers()
if err != nil {
return apiError(txParsing, err)
}
operations, err := parse.Operations()
if err != nil {
return apiError(txParsing, err)
}
sequence := parse.Sequence()
metadata := object.Metadata{
CurrentBlockID: refBlockID,
SequenceNumber: sequence,
}
res := response.Parse{
Operations: operations,
SignerIDs: signers,
Metadata: metadata,
}
return ctx.JSON(statusOK, res)
}