Summary

Retrieve the PriceService through Maker.service('price'). The PriceService exposes the collateral and governance tokens' price information that is reported by the oracles in the Maker system.

const price = maker.service('price');

getEthPrice

Get the current USD price of ETH, as a USD_ETH price unit.

const ethPrice = await price.getEthPrice();

getMkrPrice

Get the current USD price of the governance token MKR, as a USD_MKR price unit.

const mkrPrice = await price.getMkrPrice();

getPethPrice

Get the current USD price of PETH (pooled ethereum), as a USD_PETH price unit.

await pethPrice = price.getPethPrice();

setEthPrice

Set the current USD price of ETH. This requires the necessary permissions and will only be useful in a testing environment.

await price.setEthPrice(475);

setMkrPrice

Set the current USD price of the governance token MKR. This requires the necessary permissions and will only be useful in a testing environment.

await price.setMkrPrice(950.00);

getWethToPethRatio

Returns the current W-ETH to PETH ratio.

await price.getWethToPethRatio();