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// 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/aws/signer/v4"
"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 (https://docs.aws.amazon.com/qldb/latest/developerguide/journal-contents.html)
// 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 .
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 = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.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 = addOpGetBlockValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetBlock(options.Region), middleware.Before); err != nil {
return err
}
if err = awsmiddleware.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",
}
}
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