Liquidity Provision - General
General guide for users on how to be a market maker for a Bancor liquidity pool
If you are not a developer, see this step by step guide to adding / removing liquidity from the bancor.network front-end.
Alternatively, developers can interact with the Bancor contracts directly using the below guide.
Developers are encouraged to use the guide in the Developer Quick Start section.
Adding Liquidity via Etherscan
The first required piece of information is the Converter contract address for the liquidity pool.
Find the SmartToken for the relevant pool on Etherscan and navigate to the
Read
tab in the contract view.Find the address in the return value for the
owner
function
For each ERC20 token that you contribute to a liquidity pool, you'll need to approve the transfer amount on each of the contracts.
Find the token contract on Etherscan
Find the
_approve
function in theWrite
section of the contract pageExecute the
_approve
function with the following parameters:_spender
: This should be the converter address you found above_amount
: This is the number of tokens of this kind of you plan to contribute. Remember to consider the ERC20 decimals (.e.g. 200 DAI would equal 200 ^ 10**18)
Repeat this step for all the relevant tokens.
Now, find the Converter contract on Etherscan. Execute the fund
function with the following parameter:
_amount
: This is the number of liquidity tokens you expect the liquidity pool to issue you. Finding this figure may require some math to calculate the expected liquidity token issuance based on your contribution and the outstanding balance of assets in the pool
Removing Liquidity via Etherscan
Find the token contract on Etherscan
Execute the
liquidate
function with the following parameter:_amount
: The number of liquidity tokens you would like to redeem for the underlying reserves
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