fix(vm): canonicalize ModExp zero modulus output (TIP-871)#6780
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fix(vm): canonicalize ModExp zero modulus output (TIP-871)#6780yanghang8612 wants to merge 3 commits into
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Summary
ALLOW_TVM_OSAKAMotivation
Implements tronprotocol/tips#871. MODEXP currently returns empty output for an all-zero modulus even when
modLen > 0; after Osaka it should returnmodLenzero bytes.Testing