daml-grpc 0.3.0

Daml Ledger GRPC API
Documentation 
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use std::convert::TryFrom;

use crate::data::identifier::DamlIdentifier;
use crate::data::value::DamlRecord;
use crate::data::{DamlError, DamlResult};
use crate::grpc_protobuf::com::daml::ledger::api::v2::CreateCommand;
use crate::grpc_protobuf::com::daml::ledger::api::v2::command::Command;
use crate::util::Required;

/// Create a new contract instance based on a template.
#[derive(Debug, Eq, PartialEq, Clone)]
pub struct DamlCreateCommand {
    template_id: DamlIdentifier,
    create_arguments: DamlRecord,
}

/// Create a new contract instance based on a template.
impl DamlCreateCommand {
    pub fn new(template_id: impl Into<DamlIdentifier>, create_arguments: impl Into<DamlRecord>) -> Self {
        Self {
            template_id: template_id.into(),
            create_arguments: create_arguments.into(),
        }
    }

    /// The template of contract the client wants to create.
    pub const fn template_id(&self) -> &DamlIdentifier {
        &self.template_id
    }

    /// The arguments required for creating a contract from this template.
    pub const fn create_arguments(&self) -> &DamlRecord {
        &self.create_arguments
    }
}

impl From<DamlCreateCommand> for Command {
    fn from(daml_create_command: DamlCreateCommand) -> Self {
        Command::Create(CreateCommand {
            template_id: Some(daml_create_command.template_id.into()),
            create_arguments: Some(daml_create_command.create_arguments.into()),
        })
    }
}

impl TryFrom<CreateCommand> for DamlCreateCommand {
    type Error = DamlError;

    fn try_from(c: CreateCommand) -> DamlResult<Self> {
        Ok(Self::new(DamlIdentifier::from(c.template_id.req()?), DamlRecord::try_from(c.create_arguments.req()?)?))
    }
}