forked from coinbase/mesh-sdk-go
-
Notifications
You must be signed in to change notification settings - Fork 1
/
main.go
81 lines (71 loc) · 2.45 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
// 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 main
import (
"context"
"log"
"github.com/guapcrypto/rosetta-sdk-go/fetcher"
"github.com/guapcrypto/rosetta-sdk-go/types"
)
const (
// serverURL is the URL of a Rosetta Server.
serverURL = "http://localhost:8080"
)
func main() {
ctx := context.Background()
// Step 1: Create a new fetcher
newFetcher := fetcher.New(
serverURL,
)
// Step 2: Initialize the fetcher's asserter
//
// Behind the scenes this makes a call to get the
// network status and uses the response to inform
// the asserter what are valid responses.
primaryNetwork, networkStatus, err := newFetcher.InitializeAsserter(ctx, nil)
if err != nil {
log.Fatal(err)
}
// Step 3: Print the primary network and network status
log.Printf("Primary Network: %s\n", types.PrettyPrintStruct(primaryNetwork))
log.Printf("Network Status: %s\n", types.PrettyPrintStruct(networkStatus))
// Step 4: Fetch the current block with retries (automatically
// asserted for correctness)
//
// It is important to note that this assertion only ensures
// required fields are populated and that operations
// in the block only use types and statuses that were
// provided in the networkStatusResponse. To run more
// intensive validation, use the Rosetta Validator. It
// can be found at: https://github.com/coinbase/rosetta-validator
//
// On another note, notice that fetcher.BlockRetry
// automatically fetches all transactions that are
// returned in BlockResponse.OtherTransactions. If you use
// the client directly, you will need to implement a mechanism
// to fully populate the block by fetching all these
// transactions.
block, err := newFetcher.BlockRetry(
ctx,
primaryNetwork,
types.ConstructPartialBlockIdentifier(
networkStatus.CurrentBlockIdentifier,
),
)
if err != nil {
log.Fatal(err)
}
// Step 5: Print the block
log.Printf("Current Block: %s\n", types.PrettyPrintStruct(block))
}