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Quick Link Contract Riddle. The graph below contains a few simple XDI statements, and a link contract that allows $get operations on a certain subgraph . The purple area is the target subgraph of the link contract. ().

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Quick link contract riddle
Quick Link Contract Riddle

The graph below contains a few simple XDI statements, and a link contract that allows $get operations on a certain subgraph.

The purple area is the target subgraph of the link contract.

()

The purple statements are the statements on which a $get request will succeed using the given link contract.

=a

=a

*b

+friend

=a*b

=x

<+c>

=a*b<+c>

=x

&

$do

=a*b<+c>&

$get

&

$do

“Markus”


Quick link contract riddle1
Quick Link Contract Riddle

The graph below discuses a case where link contract functionality intersects with $ref/$rep functionality.

The purple area is the target subgraph of the link contract.

()

The purple statements are the statements on which a $get request will succeed using the given link contract.

[=]

[=]

!:uuid:1

[=]!:uuid:1

=a

$ref

=a

*b

$ref

=b

[=]!:uuid:1*b

=b

$ref

=c

=c

$rep

=d

=d

$do

$get

$ref/$rep behavior:

Will a $get on =a*b succeed?

Will a $get on =d*b succeed?

$do


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