> ## Documentation Index > Fetch the complete documentation index at: https://docs.canton.network/llms.txt > Use this file to discover all available pages before exploring further. # PrepareSubmission

com.daml.ledger.api.v2.interactive

PrepareSubmission

gRPC Since 3.4.4
RPC /com.daml.ledger.api.v2.interactive.InteractiveSubmissionService/PrepareSubmission
## Protocol Details
Protocol
gRPC
Service
InteractiveSubmissionService
RPC
PrepareSubmission
Client stream
No
Server stream
No
## Inputs

PrepareSubmissionRequest

Message
com.daml.ledger.api.v2.interactive.PrepareSubmissionRequest
Client stream
No
user\_id string
command\_id string
commands repeated Command
min\_ledger\_time MinLedgerTime
max\_record\_time Timestamp
act\_as repeated string
read\_as repeated string
disclosed\_contracts repeated DisclosedContract
synchronizer\_id string
package\_id\_selection\_preference repeated string
verbose\_hashing bool
prefetch\_contract\_keys repeated PrefetchContractKey
estimate\_traffic\_cost CostEstimationHints
hashing\_scheme\_version HashingSchemeVersion
taps\_max\_passes uint32
## Outputs

PrepareSubmissionResponse

Message
com.daml.ledger.api.v2.interactive.PrepareSubmissionResponse
Server stream
No
prepared\_transaction PreparedTransaction
prepared\_transaction\_hash bytes
hashing\_scheme\_version HashingSchemeVersion
hashing\_details string
cost\_estimation CostEstimation
## Lifecycle Changes
3.4.4 introduced
## Related Schemas
user\_id string
command\_id string
commands repeated Command
min\_ledger\_time MinLedgerTime
max\_record\_time Timestamp
act\_as repeated string
read\_as repeated string
disclosed\_contracts repeated DisclosedContract
synchronizer\_id string
package\_id\_selection\_preference repeated string
verbose\_hashing bool
prefetch\_contract\_keys repeated PrefetchContractKey
estimate\_traffic\_cost CostEstimationHints
hashing\_scheme\_version HashingSchemeVersion
taps\_max\_passes uint32
create CreateCommand
exercise ExerciseCommand
exercise\_by\_key ExerciseByKeyCommand
create\_and\_exercise CreateAndExerciseCommand
template\_id Identifier
create\_arguments Record
package\_id string
module\_name string
entity\_name string
record\_id Identifier
fields repeated RecordField
label string
value Value
unit Empty
bool bool
int64 sint64
date int32
timestamp sfixed64
numeric string
party string
text string
contract\_id string
optional Optional
list List
text\_map TextMap
gen\_map GenMap
record Record
variant Variant
enum Enum
value Value
elements repeated Value
entries repeated Entry
key string
value Value
entries repeated Entry
key Value
value Value
variant\_id Identifier
constructor string
value Value
enum\_id Identifier
constructor string
template\_id Identifier
contract\_id string
choice string
choice\_argument Value
template\_id Identifier
contract\_key Value
choice string
choice\_argument Value
template\_id Identifier
create\_arguments Record
choice string
choice\_argument Value
min\_ledger\_time\_abs Timestamp
min\_ledger\_time\_rel Duration
template\_id Identifier
contract\_id string
created\_event\_blob bytes
synchronizer\_id string
template\_id Identifier
contract\_key Value
limit uint32
disabled bool
expected\_signatures repeated SigningAlgorithmSpec
  • SIGNING\_ALGORITHM\_SPEC\_UNSPECIFIED
  • SIGNING\_ALGORITHM\_SPEC\_ED25519
  • SIGNING\_ALGORITHM\_SPEC\_EC\_DSA\_SHA\_256
  • SIGNING\_ALGORITHM\_SPEC\_EC\_DSA\_SHA\_384
  • HASHING\_SCHEME\_VERSION\_UNSPECIFIED
  • HASHING\_SCHEME\_VERSION\_V2
  • HASHING\_SCHEME\_VERSION\_V3
prepared\_transaction PreparedTransaction
prepared\_transaction\_hash bytes
hashing\_scheme\_version HashingSchemeVersion
hashing\_details string
cost\_estimation CostEstimation
transaction DamlTransaction
metadata Metadata
version string
roots repeated string
nodes repeated Node
node\_seeds repeated NodeSeed
node\_id int32
seed bytes
node\_id string
v1 Node
create Create
fetch Fetch
exercise Exercise
rollback Rollback
query\_by\_key QueryByKey
lf\_version string
contract\_id string
package\_name string
template\_id Identifier
argument Value
signatories repeated string
stakeholders repeated string
key GlobalKeyWithMaintainers
key GlobalKey
maintainers repeated string
template\_id Identifier
package\_name string
key Value
hash bytes
lf\_version string
contract\_id string
package\_name string
template\_id Identifier
signatories repeated string
stakeholders repeated string
acting\_parties repeated string
interface\_id Identifier
key GlobalKeyWithMaintainers
by\_key bool
lf\_version string
contract\_id string
package\_name string
template\_id Identifier
signatories repeated string
stakeholders repeated string
acting\_parties repeated string
interface\_id Identifier
choice\_id string
chosen\_value Value
consuming bool
children repeated string
exercise\_result Value
choice\_observers repeated string
key GlobalKeyWithMaintainers
by\_key bool
children repeated string
lf\_version string
package\_name string
template\_id Identifier
exhaustive bool
key GlobalKeyWithMaintainers
result repeated string
submitter\_info SubmitterInfo
synchronizer\_id string
mediator\_group uint32
transaction\_uuid string
preparation\_time uint64
input\_contracts repeated InputContract
min\_ledger\_effective\_time uint64
max\_ledger\_effective\_time uint64
max\_record\_time uint64
global\_key\_mapping repeated GlobalKeyMappingEntry
act\_as repeated string
command\_id string
key GlobalKey
value Value
v1 Create
created\_at uint64
event\_blob bytes
estimation\_timestamp Timestamp
confirmation\_request\_traffic\_cost\_estimation uint64
confirmation\_response\_traffic\_cost\_estimation uint64
total\_traffic\_cost\_estimation uint64
grpcurl
```bash grpcurl theme={"theme":{"light":"github-light","dark":"github-dark"}} # Add -plaintext if the server is not using TLS. grpcurl \ -d @ \ \ com.daml.ledger.api.v2.interactive.InteractiveSubmissionService/PrepareSubmission <<'EOF' { "userId": "string", "commandId": "string", "commands": [ { "create": { "templateId": { "packageId": "string", "moduleName": "string", "entityName": "string" }, "createArguments": { "recordId": {}, "fields": [ {} ] } } } ], "minLedgerTime": { "minLedgerTimeAbs": "string" }, "maxRecordTime": "string", "actAs": [ "string" ], "readAs": [ "string" ], "disclosedContracts": [ { "templateId": { "packageId": "string", "moduleName": "string", "entityName": "string" }, "contractId": "string", "createdEventBlob": "BASE64_ENCODED_BYTES", "synchronizerId": "string" } ] } EOF ```
OK application/json
```json OK theme={"theme":{"light":"github-light","dark":"github-dark"}} { "preparedTransaction": { "transaction": { "version": "string", "roots": [ "string" ], "nodes": [ { "nodeId": "string", "v1": {} } ], "nodeSeeds": [ { "nodeId": 0, "seed": "BASE64_ENCODED_BYTES" } ] }, "metadata": { "submitterInfo": { "actAs": [ "string" ], "commandId": "string" }, "synchronizerId": "string", "mediatorGroup": 0, "transactionUuid": "string", "preparationTime": "0", "inputContracts": [ { "v1": {}, "createdAt": "0", "eventBlob": "BASE64_ENCODED_BYTES" } ], "minLedgerEffectiveTime": "0", "maxLedgerEffectiveTime": "0" } }, "preparedTransactionHash": "BASE64_ENCODED_BYTES", "hashingSchemeVersion": "HASHING_SCHEME_VERSION_UNSPECIFIED", "hashingDetails": "string", "costEstimation": { "estimationTimestamp": "string", "confirmationRequestTrafficCostEstimation": "0", "confirmationResponseTrafficCostEstimation": "0", "totalTrafficCostEstimation": "0" } } ```