feat: decode more kind of txs in the server (#148)

We were not decoding some type of transaction. This PR add everything
that was missing.

src/server/tx.rs

@@ -5,10 +5,10 @@ use namada_sdk::types::key::common::PublicKey;
 use namada_sdk::{
     account::{InitAccount, UpdateAccount},
     borsh::BorshDeserialize,
-    governance::VoteProposalData,
+    governance::{InitProposalData, VoteProposalData},
     tx::data::{
         pgf::UpdateStewardCommission,
-        pos::{Bond, Unbond, Withdraw},
+        pos::{Bond, CommissionChange, ConsensusKeyChange, MetaDataChange, Unbond, Withdraw},
     },
     types::token,
     types::{address::Address, eth_bridge_pool::PendingTransfer},
@@ -36,7 +36,7 @@ pub enum TxDecoded {
     Bond(Bond),
     RevealPK(PublicKey),
     VoteProposal(VoteProposalData),
-    BecomeValidator(Box<BecomeValidator>),
+    InitValidator(Box<BecomeValidator>),
     Unbond(Unbond),
     Withdraw(Withdraw),
     InitAccount(InitAccount),
@@ -45,6 +45,15 @@ pub enum TxDecoded {
     UpdateStewardCommission(UpdateStewardCommission),
     EthPoolBridge(PendingTransfer),
     Ibc(IbcTx),
+    BecomeValidator(Box<BecomeValidator>),
+    ConsensusKeyChange(ConsensusKeyChange),
+    CommissionChange(CommissionChange),
+    MetaDataChange(MetaDataChange),
+    ClaimRewards(Withdraw),
+    DeactivateValidator(Address),
+    InitProposal(InitProposalData),
+    ReactivateValidator(Address),
+    UnjailValidator(Address),
 }
 
 // we have a variant for MsgTransfer, but there are other message types
@@ -128,7 +137,7 @@ impl TxInfo {
                     VoteProposalData::try_from_slice(&self.data()).map(TxDecoded::VoteProposal)?
                 }
                 "tx_init_validator" => BecomeValidator::try_from_slice(&self.data())
-                    .map(|t| TxDecoded::BecomeValidator(Box::new(t)))?,
+                    .map(|t| TxDecoded::InitValidator(Box::new(t)))?,
                 "tx_unbond" => Unbond::try_from_slice(&self.data()).map(TxDecoded::Unbond)?,
                 "tx_withdraw" => Withdraw::try_from_slice(&self.data()).map(TxDecoded::Withdraw)?,
                 "tx_init_account" => {
@@ -151,6 +160,31 @@ impl TxInfo {
                 "tx_bridge_pool" => {
                     PendingTransfer::try_from_slice(&self.data()).map(TxDecoded::EthPoolBridge)?
                 }
+                "tx_become_validator" => BecomeValidator::try_from_slice(&self.data())
+                    .map(|t| TxDecoded::InitValidator(Box::new(t)))?,
+                "tx_change_consensus_key" => ConsensusKeyChange::try_from_slice(&self.data())
+                    .map(TxDecoded::ConsensusKeyChange)?,
+                "tx_change_validator_commission" => CommissionChange::try_from_slice(&self.data())
+                    .map(TxDecoded::CommissionChange)?,
+                "tx_change_validator_metadata" => {
+                    MetaDataChange::try_from_slice(&self.data()).map(TxDecoded::MetaDataChange)?
+                }
+                "tx_claim_rewards" => {
+                    Withdraw::try_from_slice(&self.data()).map(TxDecoded::ClaimRewards)?
+                }
+                "tx_deactivate_validator" => {
+                    Address::try_from_slice(&self.data()).map(TxDecoded::DeactivateValidator)?
+                }
+                "tx_init_proposal" => {
+                    InitProposalData::try_from_slice(&self.data()).map(TxDecoded::InitProposal)?
+                }
+                "tx_reactivate_validator" => {
+                    Address::try_from_slice(&self.data()).map(TxDecoded::ReactivateValidator)?
+                }
+                "tx_unjail_validator" => {
+                    Address::try_from_slice(&self.data()).map(TxDecoded::UnjailValidator)?
+                }
+
                 _ => {
                     return Err(Error::InvalidTxData(format!(
                         "unsupported type_tx {}",