{
"version": "eosio::abi/1.1",
"types": [],
"structs": [
{
"name": "account",
"base": "",
"fields": [
{
"name": "balance",
"type": "asset"
}
]
},
{
"name": "addliquidity",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "to_buy",
"type": "asset"
},
{
"name": "max_asset1",
"type": "asset"
},
{
"name": "max_asset2",
"type": "asset"
}
]
},
{
"name": "changefee",
"base": "",
"fields": [
{
"name": "pair_token",
"type": "symbol_code"
},
{
"name": "newfee",
"type": "int32"
}
]
},
{
"name": "close",
"base": "",
"fields": [
{
"name": "owner",
"type": "name"
},
{
"name": "symbol",
"type": "symbol"
}
]
},
{
"name": "closeext",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "to",
"type": "name"
},
{
"name": "ext_symbol",
"type": "extended_symbol"
},
{
"name": "memo",
"type": "string"
}
]
},
{
"name": "currency_stats",
"base": "",
"fields": [
{
"name": "supply",
"type": "asset"
},
{
"name": "max_supply",
"type": "asset"
},
{
"name": "issuer",
"type": "name"
},
{
"name": "pool1",
"type": "extended_asset"
},
{
"name": "pool2",
"type": "extended_asset"
},
{
"name": "fee",
"type": "int32"
},
{
"name": "fee_contract",
"type": "name"
},
{
"name": "curve",
"type": "uint64"
}
]
},
{
"name": "exchange",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "pair_token",
"type": "symbol_code"
},
{
"name": "ext_asset_in",
"type": "extended_asset"
},
{
"name": "min_expected",
"type": "asset"
}
]
},
{
"name": "extended_symbol",
"base": "",
"fields": [
{
"name": "sym",
"type": "symbol"
},
{
"name": "contract",
"type": "name"
}
]
},
{
"name": "inittoken",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "new_symbol",
"type": "symbol"
},
{
"name": "initial_pool1",
"type": "extended_asset"
},
{
"name": "initial_pool2",
"type": "extended_asset"
},
{
"name": "initial_fee",
"type": "int32"
},
{
"name": "fee_contract",
"type": "name"
},
{
"name": "curve",
"type": "uint64"
}
]
},
{
"name": "mindaccount",
"base": "",
"fields": [
{
"name": "balance",
"type": "extended_asset"
},
{
"name": "id",
"type": "uint64"
}
]
},
{
"name": "open",
"base": "",
"fields": [
{
"name": "owner",
"type": "name"
},
{
"name": "symbol",
"type": "symbol"
},
{
"name": "ram_payer",
"type": "name"
}
]
},
{
"name": "openext",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "payer",
"type": "name"
},
{
"name": "ext_symbol",
"type": "extended_symbol"
}
]
},
{
"name": "remliquidity",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "to_sell",
"type": "asset"
},
{
"name": "min_asset1",
"type": "asset"
},
{
"name": "min_asset2",
"type": "asset"
}
]
},
{
"name": "resetext",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "to",
"type": "name"
},
{
"name": "ext_symbol",
"type": "extended_symbol"
},
{
"name": "memo",
"type": "string"
}
]
},
{
"name": "transfer",
"base": "",
"fields": [
{
"name": "from",
"type": "name"
},
{
"name": "to",
"type": "name"
},
{
"name": "quantity",
"type": "asset"
},
{
"name": "memo",
"type": "string"
}
]
},
{
"name": "withdraw",
"base": "",
"fields": [
{
"name": "user",
"type": "name"
},
{
"name": "to",
"type": "name"
},
{
"name": "to_withdraw",
"type": "extended_asset"
},
{
"name": "memo",
"type": "string"
}
]
}
],
"actions": [
{
"name": "addliquidity",
"type": "addliquidity",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Add liquidity\nsummary: '{{nowrap user}} buys an evotoken by adding liquidity to pools'\n---\n\n{{user}} agrees to buy the asset {{to_buy}} by paying no more than {{max_asset1}} and {{max_asset2}} to be deducted from {{user}}'s extended balances and added to the token\n{{asset_to_symbol_code to_buy}} pools. The contracts of the assets that {{user}} pays will match the ones of the pools. The asset {{to_buy}} is minted by the contract.\n\nThe first asset to be paid by {{user}} is computed as x + y, where\n\nx = pool1 * {{to_buy}} / supply, up to the precision of the symbol of pool1 rounded upward.\ny = x * fee / 10000, up to the same precision as x, again rounded upward.\nThe variables pool1, supply, fee denote the parameters pool1, supply, fee associated to the token {{asset_to_symbol_code to_buy}} respectively, at the moment of operation.\n\nThe second asset to be paid by {{user}} is computed analogously.\n\nAuthorization of {{user}} is required.\nThe operation is executed only if the amounts to be paid by {{user}} are at most those indicated by {{user}}."
},
{
"name": "changefee",
"type": "changefee",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Change fee\nsummary: 'Change the fee value associated to a pair'\n---\n\nThe account fee_contract associated to the token {{pair_token}} authorizes\nto change the fee parameter associated to the same token, to the value {{newfee}}."
},
{
"name": "close",
"type": "close",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Close Token Balance\nsummary: 'Close {{nowrap owner}}’s zero quantity balance'\n---\n\n{{owner}} agree to close their zero quantity balance for the {{symbol_to_symbol_code symbol}} token.\n\nRAM will be refunded to the RAM payer of the {{symbol_to_symbol_code symbol}} token balance for {{owner}}."
},
{
"name": "closeext",
"type": "closeext",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Close Extended Balance\nsummary: 'Close {{nowrap user}}’s extended balance'\n---\n\n{{user}} agree to close their extended balance for {{ext_symbol}}.\n\nIf the extended balance is nonzero, it will be transfered to {{to}} before closing it, with a memo equal to {{memo}}. This transfer action corresponds to the contract of {{ext_symbol}}. \n\nIn order to function properly, it is necessary that the contract of {{ext_symbol}} permanently has a transfer action that satisfies the conditions (1), (2), (6) of the present contract's transfer action.\n\nRAM will be refunded to the RAM payer of {{user}}'s extended balance for {{ext_symbol}}.\n\nThe authorization of {{user}} is required."
},
{
"name": "exchange",
"type": "exchange",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Exchange\nsummary: 'Exchange token through a specific pair'\n---\n\n{{user}} agree to substract {{ext_asset_in}} and to add at least {{min_expected}} to their extended balances. The extended symbol of {{ext_asset_in}} must match one of the pools associated to the token {{pair_token}}. The contract of {{min_expected}} is given by the other pool of that pair. These (possibly negative) extended assets will be respectively added to and substracted from the corresponding pools.\n\nThe extended asset (might be negative) to be added to {{users}}'s extended balance as a result of the exchange operation, is computed as x + y, where\n\nx = pool_out * {{ext_asset_in}} / (pool_in + {{ext_asset_in}}), up to the precision of the symbol of pool_out rounded downward.\ny = x * fee / 10000, up to the same precision as x, again rounded downward.\n\nThe variable pool_in denotes the corresponding extended asset pool1 or pool2 associated to the token {{pair_token}}; namely, the one whose extended symbol matches that of {{ext_asset_in}}. The variable pool_out is the extended asset pool1 or pool2, the one that is not pool_in. The variable fee is the integer fee associated to the token {{pair_token}}.\nThe values of these three variables must be taken at the moment of operation.\n\nAuthorization of {{user}} is required.\nThe operation is executed only if the extended asset to be added to {{user}} is at least\nthat indicated by {{user}}."
},
{
"name": "inittoken",
"type": "inittoken",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Initialize token\nsummary: 'Initializes an evotoken by setting initial pair of token pools'\n---\n\n{{user}} agrees to initialize a pair token with symbol {{new_symbol}}, with the following initial parameters: pool1 = {{initial_pool1}}, pool2 = {{initial_pool2}}, fee = {{initial_fee}}, fee_contract = {{fee_contract}}. The extended assets {{initial_pool1}} and {{initial_pool2}} will be deducted from the corresponding extended balances of {{user}}.\n\nRAM will be deducted from {{user}}’s resources to create the necessary records.\nAuthorization of {{user}} is required."
},
{
"name": "open",
"type": "open",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Open Token Balance\nsummary: 'Open a zero quantity balance for {{nowrap owner}}'\n---\n\n{{ram_payer}} agrees to establish a zero quantity balance for {{owner}} for the {{symbol_to_symbol_code symbol}} token.\n\nIf {{owner}} does not have a balance for {{symbol_to_symbol_code symbol}}, {{ram_payer}} will be designated as the RAM payer of the {{symbol_to_symbol_code symbol}} token balance for {{owner}}. As a result, RAM will be deducted from {{ram_payer}}’s resources to create the necessary records."
},
{
"name": "openext",
"type": "openext",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Open extended Balance\nsummary: 'Open a zero quantity extended balance for {{nowrap user}}'\n---\n\n{{ram_payer}} agrees to establish a zero quantity extended balance for {{user}} \nfor the {{ext_symbol}} extended symbol. \n\nIf {{user}} does not have an extended balance for {{ext_symbol}}, {{ram_payer}} will be designated as the RAM payer of {{user}}'s extended balance for {{ext_symbol}}. As a result, RAM will be deducted from {{ram_payer}}’s resources to create the necessary records.\n\nThe authorization of {{ram_payer}} is required."
},
{
"name": "remliquidity",
"type": "remliquidity",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Remove liquidity\nsummary: '{{nowrap user}} sells an evotoken, removing liquidity from pools'\n---\n\n{{user}} agrees to sell the asset {{to_sell}} by receiving at least {{min_asset1}} and {{min_asset2}} to be added to {{user}}'s extended balances and removed from the token\n{{asset_to_symbol_code to_sell}} pools. The asset {{to_sell}} is retired\nfrom circulation by the contract.\n\nThe first asset to be received by {{user}} is computed as\n\npool1 * {{to_sell}} / supply, up to the precision of the symbol of pool1 rounded downward.\n\nThe variables pool1 and supply denote the parameters pool1 and supply associated to the token {{asset_to_symbol_code to_sell}} respectively, at the moment of operation.\n\nThe second asset to be received by {{user}} is computed analogously. \n\nAuthorization of {{user}} is required.\nThe operation is executed only if the amounts to be received by {{user}} are at least\nthose indicated by {{user}}."
},
{
"name": "resetext",
"type": "resetext",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Reset Extended Balance\nsummary: 'Reset {{nowrap user}}’s extended balance'\n---\n\n{{user}} agree to reset their extended balance for {{ext_symbol}}.\n\nIf the extended balance is nonzero, it will be transfered to {{to}} before reseting it, with a memo equal to {{memo}}. This transfer action corresponds to the contract of {{ext_symbol}}. \n\nIn order to function properly, it is necessary that the contract of {{ext_symbol}} permanently has a transfer action that satisfies the conditions (1), (2), (6) of the present contract's transfer action.\n\nThe authorization of {{user}} is required."
},
{
"name": "transfer",
"type": "transfer",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Transfer Tokens\nsummary: 'Send {{nowrap quantity}} from {{nowrap from}} to {{nowrap to}}'\n---\n\n(1) {{from}} sends the asset {{quantity}} to {{to}}. {{to}} receives exactly {{quantity}}.The authorization of {{from}} is required.\n\n(2) {{#if memo}} There is a memo attached to the transfer stating: {{memo}}\n{{/if}}\n\n(3) If {{from}} is not already the RAM payer of their {{asset_to_symbol_code quantity}} token balance, {{from}} will be designated as such. As a result, RAM will be deducted from {{from}}’s resources to refund the original RAM payer.\n\n(4) If {{to}} does not have a balance for {{asset_to_symbol_code quantity}}, {{from}} will be designated as the RAM payer of the {{asset_to_symbol_code quantity}} token balance for {{to}}. As a result, RAM will be deducted from {{from}}’s resources to create the necessary records.\n\n(5) The account {{from}} is notified.\n(6) The account {{to}} is notified.\n(7) The account fee_contract corresponding to the token {{asset_to_symbol_code quantity}} is notified."
},
{
"name": "withdraw",
"type": "withdraw",
"ricardian_contract": "---\nspec_version: \"0.2.0\"\ntitle: Withdraw\nsummary: 'Withdraw funds from extended balance'\n---\n\n{{user}} agree to withdraw the extended asset {{to_withdraw}} from their account.\n\nIn order to function properly, it is necessary that the contract of {{to_withdraw}} permanently has a transfer action that satisfies the conditions (1), (2), (6) of the present contract's transfer action."
}
],
"tables": [
{
"name": "accounts",
"index_type": "i64",
"key_names": [],
"key_types": [],
"type": "account"
},
{
"name": "mindacnts",
"index_type": "i64",
"key_names": [],
"key_types": [],
"type": "mindaccount"
},
{
"name": "stat",
"index_type": "i64",
"key_names": [],
"key_types": [],
"type": "currency_stats"
}
],
"ricardian_clauses": [
{
"id": "UserAgreement",
"body": "In order to function properly, the external tokens to be operated by this contract must permanently have a transfer action with input variables {{from}}, {{to}}, {{quantity}}, {{memo}} in that order, satisfying the following three conditions:\n* {{from}} sends the asset {{quantity}} to {{to}}. {{to}} receives exactly {{quantity}}. The authorization of {{from}} is required.\n* {{#if memo}} There is a memo attached to the transfer stating: {{memo}} {{/if}}\n* The account {{to}} is notified.\n\nThe user agrees that the present contract is not responsible for errors occurred in the operation of a pool which involves a token not satisfying the above conditions."
}
],
"error_messages": [],
"abi_extensions": [],
"variants": [],
"action_results": []
}
