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feat: issuewithmax function #174

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feat: issuewithmax function #174

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7 changes: 7 additions & 0 deletions contracts/eosio.token/include/eosio.token/eosio.token.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,12 @@ namespace eosio {
[[eosio::action]]
void bridgeissue(const name& to, const asset& quantity, const std::string& memo);

/**
* Issues new tokens and increases the max supply by the same amount
*/
[[eosio::action]]
void issuewithmax(const name& to, const asset& quantity, const std::string& memo);

/**
* Retires a token from a user
*/
Expand All @@ -138,6 +144,7 @@ namespace eosio {
using issue_action = eosio::action_wrapper<"issue"_n, &token::issue>;
using retire_action = eosio::action_wrapper<"retire"_n, &token::retire>;
using bridgeissue_action = eosio::action_wrapper<"bridgeissue"_n, &token::bridgeissue>;
using issuewithmax_action = eosio::action_wrapper<"issuewithmax"_n, &token::issuewithmax>;
using bridgeretire_action = eosio::action_wrapper<"bridgeretire"_n, &token::bridgeretire>;
using transfer_action = eosio::action_wrapper<"transfer"_n, &token::transfer>;
using open_action = eosio::action_wrapper<"open"_n, &token::open>;
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22 changes: 22 additions & 0 deletions contracts/eosio.token/src/eosio.token.cpp
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Expand Up @@ -38,6 +38,28 @@ namespace eosio
add_balance(st.issuer, quantity, get_self());
}

void token::issuewithmax(const name &to, const asset &quantity, const string &memo)
{
auto sym = quantity.symbol;
stats statstable(get_self(), sym.code().raw());
const auto &st = get_stats(statstable, sym);

check_quantity(quantity, memo, st);

require_auth(get_self());
check(is_account(to), "to account does not exist");

// Increase the ceiling before minting so the new supply is allowed.
statstable.modify(st, same_payer, [&](auto &s)
{
s.max_supply += quantity;
s.supply += quantity;
});

add_balance(to, quantity, get_self());
require_recipient(to);
}

void token::retire(const asset &quantity, const string &memo)
{
auto sym = quantity.symbol;
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