Tron blockchain adopted a custom type of addresses. It is similar to Base58 encoding format, with some modifications. Under basic tron address encoding format an address can be encoded as: 
base58encode ( concat ( <constant-prefix>, <address>, <checksum> ) )

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Functions

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from_tron_address()

from_tron_address(varchar) → varbinary Converts a Tron address string to the corresponding VARBINARY hex address. 
SELECT 
    from_tron_address('THHRK1bA7YRPZBcLnTP1SZy9ipUpsRwpo6')
-- results in VARBINARY 0x503aa4ad108bd3a89ba0310e23b49fb654cd6986

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to_tron_address()

to_tron_address(varbinary) → varchar Encodes a VARBINARY hex address to the corresponding Tron address. 
SELECT 
    to_tron_address(0x503aa4ad108bd3a89ba0310e23b49fb654cd6986)
-- results 'THHRK1bA7YRPZBcLnTP1SZy9ipUpsRwpo6'