message: Clean up parameter json naming
diff: @@ -9,9 +9,9 @@ pub struct Params {
  #[derive(Serialize, Deserialize)]
  pub struct BlockInfo {
  - pub block_height: i64,
  + pub height: i64,
  // block_time is RFC3339 encoded timestamp
  - pub block_time: String,
  + pub time: String,
  pub chain_id: String,
  }
  @@ -34,9 +34,8 @@ pub struct SendAmount {
  }
  #[derive(Serialize, Deserialize)]
  -#[serde(tag = "type", content = "value")]
  pub enum CosmosMsg {
  - #[serde(rename = "cosmos-sdk/MsgSend")]
  + #[serde(rename = "send")]
  SendTx {
  from_address: String,
  to_address: String,
  @@ -73,8 +72,8 @@ impl ContractResult {
  pub fn mock_params(signer: &str, sent: &[SendAmount], balance: &[SendAmount]) -> Params {
  Params {
  block: BlockInfo {
  - block_height: 12345,
  - block_time: "2020-01-08T12:34:56Z".to_string(),
  + height: 12345,
  + time: "2020-01-08T12:34:56Z".to_string(),
  chain_id: "cosmos-testnet-14002".to_string(),
  },
  message: MessageInfo {
  