53 lines
984 B
Plaintext
53 lines
984 B
Plaintext
|
/******
|
||
|
|
||
|
SMTVerifierLevel
|
||
|
|
||
|
This circuit has 1 hash
|
||
|
|
||
|
Outputs according to the state.
|
||
|
|
||
|
State root
|
||
|
===== =======
|
||
|
top H'(child, sibling)
|
||
|
i0 0
|
||
|
iold old1leaf
|
||
|
inew new1leaf
|
||
|
na 0
|
||
|
|
||
|
H' is the Hash function with the inputs shifted acordingly.
|
||
|
|
||
|
*****/
|
||
|
|
||
|
|
||
|
template SMTVerifierLevel() {
|
||
|
signal input st_top;
|
||
|
signal input st_i0;
|
||
|
signal input st_iold;
|
||
|
signal input st_inew;
|
||
|
signal input st_na;
|
||
|
|
||
|
signal output root;
|
||
|
signal input sibling;
|
||
|
signal input old1leaf;
|
||
|
signal input new1leaf;
|
||
|
signal input lrbit;
|
||
|
signal input child;
|
||
|
|
||
|
signal aux[2];
|
||
|
|
||
|
component proofHash = SMTHash2();
|
||
|
component switcher = Switcher();
|
||
|
|
||
|
switcher.L <== child;
|
||
|
switcher.R <== sibling;
|
||
|
|
||
|
switcher.sel <== lrbit;
|
||
|
proofHash.L <== switcher.outL;
|
||
|
proofHash.R <== switcher.outR;
|
||
|
|
||
|
aux[0] <== proofHash.out * st_top;
|
||
|
aux[1] <== old1leaf*st_iold;
|
||
|
|
||
|
root <== aux[0] + aux[1] + new1leaf*st_inew;
|
||
|
}
|