On-chain method

• tgUSD staking contract address: EQDsRxOvYyhOAi-zHBSN2NkHcjwFB1aaMSnqJG7Chm14x02P

• Send an OP_PROVIDE_CURRENT_QUOTE message to the tgUSD Staking contract, which will respond with an OP_TAKE_CURRENT_QUOTE message containing the rate information.

• OP_PROVIDE_CURRENT_QUOTE Message:

field	type	description	ref
OP_PROVIDE_CURRENT_QUOTE	uint32	0x984d8449	0
queryId	uint64		0
recipient	Address	The address who receive OP_TAKE_CURRENT_QUOTE	0
customPayload	Maybe<Cell>	Send OP_TAKE_CURRENT_QUOTE to recipient with this customPayload	0

• OP_TAKE_CURRENT_QUOTE Message:

field	type	description	ref
OP_TAKE_CURRENT_QUOTE	uint32	0x80ed6c2e	0
queryId	uint64		0
totalActiveStake	coins	Currently active staked amount (including distributed rewards)	0
totalShares	coins		0
timestamp	uint32	The timestamp when the rate information is provided	0
customPayload	Maybe<Cell>		0

• totalActiveStake / totalShares represents the current conversion rate of 1 stgUSD in tgUSD (You can control the rounding precision as needed)