feat(tendermint): staking/delegation

mm2src/coins/hd_wallet/withdraw_ops.rs

@@ -10,7 +10,7 @@ type HDCoinPubKey<T> =
     <<<<T as HDWalletCoinOps>::HDWallet as HDWalletOps>::HDAccount as HDAccountOps>::HDAddress as HDAddressOps>::Pubkey;
 
 /// Represents the source of the funds for a withdrawal operation.
-#[derive(Clone, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Serialize)]
 #[serde(untagged)]
 pub enum WithdrawFrom {
     /// The address id of the sender address which is specified by the account id, chain, and address id.

mm2src/coins/lp_coins.rs

@@ -2135,6 +2135,7 @@ pub struct WithdrawRequest {
 #[serde(tag = "type")]
 pub enum StakingDetails {
     Qtum(QtumDelegationRequest),
+    Cosmos(Box<rpc_command::tendermint::staking::DelegatePayload>),
 }
 
 #[allow(dead_code)]
@@ -4878,17 +4879,26 @@ pub async fn get_staking_infos(ctx: MmArc, req: GetStakingInfosRequest) -> Staki
 
 pub async fn add_delegation(ctx: MmArc, req: AddDelegateRequest) -> DelegationResult {
     let coin = lp_coinfind_or_err(&ctx, &req.coin).await?;
-    // Need to find a way to do a proper dispatch
-    let coin_concrete = match coin {
-        MmCoinEnum::QtumCoin(qtum) => qtum,
-        _ => {
-            return MmError::err(DelegationError::CoinDoesntSupportDelegation {
-                coin: coin.ticker().to_string(),
-            })
-        },
-    };
+
     match req.staking_details {
-        StakingDetails::Qtum(qtum_staking) => coin_concrete.add_delegation(qtum_staking).compat().await,
+        StakingDetails::Qtum(req) => {
+            let MmCoinEnum::QtumCoin(qtum) = coin else {
+                return MmError::err(DelegationError::CoinDoesntSupportDelegation {
+                    coin: coin.ticker().to_string(),
+                });
+            };
+
+            qtum.add_delegation(req).compat().await
+        },
+        StakingDetails::Cosmos(req) => {
+            let MmCoinEnum::Tendermint(tendermint) = coin else {
+                return MmError::err(DelegationError::CoinDoesntSupportDelegation {
+                    coin: coin.ticker().to_string(),
+                });
+            };
+
+            tendermint.add_delegate(*req).await
+        },
     }
 }
 

mm2src/coins/rpc_command/tendermint/staking.rs

@@ -2,8 +2,9 @@ use common::{HttpStatusCode, PagingOptions, StatusCode};
 use cosmrs::staking::{Commission, Description, Validator};
 use mm2_core::mm_ctx::MmArc;
 use mm2_err_handle::prelude::MmError;
+use mm2_number::BigDecimal;
 
-use crate::{lp_coinfind_or_err, tendermint::TendermintCoinRpcError, MmCoinEnum};
+use crate::{hd_wallet::WithdrawFrom, lp_coinfind_or_err, tendermint::TendermintCoinRpcError, MmCoinEnum, WithdrawFee};
 
 /// Represents current status of the validator.
 #[derive(Default, Deserialize)]
@@ -148,3 +149,16 @@ pub async fn validators_rpc(
         validators: validators.into_iter().map(jsonize_validator).collect(),
     })
 }
+
+#[derive(Clone, Debug, Deserialize)]
+pub struct DelegatePayload {
+    pub validator_address: String,
+    pub fee: Option<WithdrawFee>,
+    pub withdraw_from: Option<WithdrawFrom>,
+    #[serde(default)]
+    pub memo: String,
+    #[serde(default)]
+    pub amount: BigDecimal,
+    #[serde(default)]
+    pub max: bool,
+}