Events
  The x/erc20 module emits the following events:
  Register Coin Proposal
 | Type | Attribute Key | Attribute Value | 
|---|
 | register_coin | "cosmos_coin" | {denom} | 
 | register_coin | "erc20_token" | {erc20_address} | 
 Register ERC20 Proposal
 | Type | Attribute Key | Attribute Value | 
|---|
 | register_erc20 | "cosmos_coin" | {denom} | 
 | register_erc20 | "erc20_token" | {erc20_address} | 
 Toggle Token Relay
 | Type | Attribute Key | Attribute Value | 
|---|
 | toggle_token_relay | "erc20_token" | {erc20_address} | 
 | toggle_token_relay | "cosmos_coin" | {denom} | 
 Update Token Pair ERC20
 | Type | Attribute Key | Attribute Value | 
|---|
 | update_token_pair_erc20 | "erc20_token" | {erc20_address} | 
 | update_token_pair_erc20 | "cosmos_coin" | {denom} | 
 Convert Coin
 | Type | Attribute Key | Attribute Value | 
|---|
 | convert_coin | "sender" | {msg.Sender} | 
 | convert_coin | "receiver" | {msg.Receiver} | 
 | convert_coin | "amount" | {msg.Coin.Amount.String()} | 
 | convert_coin | "cosmos_coin" | {denom} | 
 | convert_coin | "erc20_token" | {erc20_address} | 
 Convert ERC20
 | Type | Attribute Key | Attribute Value | 
|---|
 | convert_erc20 | "sender" | {msg.Sender} | 
 | convert_erc20 | "receiver" | {msg.Receiver} | 
 | convert_erc20 | "amount" | {msg.Amount.String()} | 
 | convert_erc20 | "cosmos_coin" | {denom} | 
 | convert_erc20 | "erc20_token" | {msg.ContractAddress} |