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
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
// Code generated by smithy-go-codegen DO NOT EDIT.
package qldb
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/qldb/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns a block object at a specified address in a journal. Also returns a
// proof of the specified block for verification if DigestTipAddress is provided.
//
// For information about the data contents in a block, see [Journal contents] in the Amazon QLDB
// Developer Guide.
//
// If the specified ledger doesn't exist or is in DELETING status, then throws
// ResourceNotFoundException .
//
// If the specified ledger is in CREATING status, then throws
// ResourcePreconditionNotMetException .
//
// If no block exists with the specified address, then throws
// InvalidParameterException .
//
// [Journal contents]: https://docs.aws.amazon.com/qldb/latest/developerguide/journal-contents.html
func (c *Client) GetBlock(ctx context.Context, params *GetBlockInput, optFns ...func(*Options)) (*GetBlockOutput, error) {
if params == nil {
params = &GetBlockInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetBlock", params, optFns, c.addOperationGetBlockMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetBlockOutput)
out.ResultMetadata = metadata
return out, nil
}
type GetBlockInput struct {
// The location of the block that you want to request. An address is an Amazon Ion
// structure that has two fields: strandId and sequenceNo .
//
// For example: {strandId:"BlFTjlSXze9BIh1KOszcE3",sequenceNo:14} .
//
// This member is required.
BlockAddress *types.ValueHolder
// The name of the ledger.
//
// This member is required.
Name *string
// The latest block location covered by the digest for which to request a proof.
// An address is an Amazon Ion structure that has two fields: strandId and
// sequenceNo .
//
// For example: {strandId:"BlFTjlSXze9BIh1KOszcE3",sequenceNo:49} .
DigestTipAddress *types.ValueHolder
noSmithyDocumentSerde
}
type GetBlockOutput struct {
// The block data object in Amazon Ion format.
//
// This member is required.
Block *types.ValueHolder
// The proof object in Amazon Ion format returned by a GetBlock request. A proof
// contains the list of hash values required to recalculate the specified digest
// using a Merkle tree, starting with the specified block.
Proof *types.ValueHolder
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetBlockMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpGetBlock{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpGetBlock{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "GetBlock"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = addRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack, options); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = addTimeOffsetBuild(stack, c); err != nil {
return err
}
if err = addUserAgentRetryMode(stack, options); err != nil {
return err
}
if err = addOpGetBlockValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetBlock(options.Region), middleware.Before); err != nil {
return err
}
if err = addRecursionDetection(stack); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
if err = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opGetBlock(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "GetBlock",
}
}
|
